Items where Author is "Situmorang, Manihar"

Situmorang, Hasianna Nopina and Panggabean, Freddy Tua Musa and Situmorang, Manihar (2023) ACTION RESEARCH WITH PROJECTS TO FACILITATE STUDENTS TO STUDY RESEARCH AND PREPARE RESEARCH PROPOSALS DURING THE COVID-19 PANDEMIC. Educational Action Research. pp. 1-18. ISSN 1747-5074

Situmorang, Manihar and Gultom, Syamsul and Mansyur, Abil and Gultom, Syawal and Restu and Ritonga, Winsyahputra (2022) Implementation of Learning Innovations to Improve Teacher Competence in Professional Certificate Programs for In-Service Teachers. International Journal of Instruction, 15 (2). pp. 675-696. ISSN 1694-609X; 1308-1470;

Situmorang, Hasianna Nopina and Purba, Saut and Situmorang, Manihar (2021) The Development of Innovative Learning Resources with Multimedia to Support Online Learning in Teaching Industrial Management. In: The 6th Annual International Seminar on Transformative Education and Educational Leadership (AISTEEL) 2021, 21 Sept 2021, Medan.

Nainggolan, Bajoka and Situmorang, Manihar and Silaban, Ramlan (2021) Pengembangan Model Pembelajaran Inovatif Berbasis Proyek Berorientasi KKNI Untuk Meningkatkan Kompetensi Mahasiswa. In: Prosiding Seminar Nasional Kimia & Pendidikan Kimia#2 - 2021, 11 Desember 2021, Medan.

Hakim S., Abdul and Sembiring, Timbangen and Sebayang, Krista and Situmorang, Manihar and Tarigan, Krista and Sembiring, K. and Mihardi, Satria (2021) CHARACTERIZATION OF INDICATOR ELECTRODES USING THE POTENTIOMETRIC BIOSENSOR METHOD AS UREA SENSOR WITH XRD, SEM-EDS, UV-Vis AND FTIR. In: The 10th International Conference on Theoretical and Applied Physics (ICTAP 2020), 20-22 Nov 2020, Mataram.

Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Negeri Medan (2020) CHARACTERIZATION OF GLUTARALDEHYDE COMPOSITION ON PVA-ENZYME COATED PVC-KTpCIPB MEMBRANE WITH XRD AND UV-Vis. EC00202054346.

Situmorang, Hasianna Nopina and Purba, Saut and Situmorang, Manihar (2020) Learning Innovations During the Pandemic COVID-19 for Teaching of Automotive Industrial Management. In: The 5th Annual International Seminar on Transformative Education and Educational Leadership (AISTEEL) 2020, 22 Sept 2020, Medan.

Simatupang, Lisnawaty and Situmorang, Manihar and Marpaung, Harlem and Siburian, Rikson (2020) Fabrication of silica-based chitosan biocomposite material from volcanic ash and shrimp husk by sol gel method for adsorbent of cadmium (II) Ions. Indian Journal of Chemical Technology (IJCT), 27 (05). pp. 387-394. ISSN 0971–457X (p) ; 0975-0991 (e)

Sitorus, Marham and Situmorang, Manihar and Juwitaningsih, Tita and Hia, Minat Karya Nia and Hutabarat, Rini F. (2020) Activity Test of CLA Syntheszed from Castor Oil by in Vivo White Mice (Rattus norveginus). In: The International Conference on Sciences and Technology Applications, 13-14 November 2019, Garuda Plaza Hotel, Medan City, North Sumatera Province, Indonesia.

Hakim S., Abdul and Tarigan, Kerista and Sembiring, Timbangen and Situmorang, Manihar and Sebayang, Kerista and Tamba, Lia Yustika (2020) CHARACTERIZATION OF K175 CONCRETE SNI STANDARDS USING VOLCANIC ASH AGGREGATES WITH VARIATION IN COMPOSITION. In: The International Conference on Sciences and Technology Applications, 13-14 November 2019, Garuda Plaza Hotel, Medan City, North Sumatera Province, Indonesia.

Hakim S., Abdul and Sembiring, T. and Tarigan, Krista and Sebayang, Krista and Situmorang, Manihar (2019) CHARACTERIZATION OF MEMBRANE PVA-ENZYME COATED PVC-KTpCIPB AS UREA SENSOR WITH POTENTIOMETRIC METHOD. RASĀYAN Journal of Chemistry [RJC], 12 (02). pp. 780-786. ISSN 0976-0083

Sinaga, Marudut and Situmorang, Manihar and Hutabarat, Wesly (2019) IMPLEMENTATION OF INNOVATIVE LEARNING MATERIAL TO IMPROVE STUDENTS COMPETENCE ON CHEMISTRY. Indian Journal of Pharmaceutical Education and Research (IJPER), 53 (01). pp. 28-41. ISSN 0019-5464

Hakim S., Abdul and Tarigan, Krista and Situmorang, Manihar and Sembiring, Timbangen (2019) CHARACTERIZATION MEMBRANE COMPOSITION OF PVA-ENZYME COATING PVC-KTpClPB AS UREA SENSOR WITH UV-VIS, SEM-EDX AND XRD. In: The 3rd International Conference on Mathematics, Sciences, Education, and Technology, 4-5 Oct 2018, Padang.

Hakim S., Abdul and Tarigan, Krista and Situmorang, Manihar and Sembiring, Timbangan (2018) SYNTHESIS OF UREA SENSORS USING POTENTIOMETRIC METHODS WITH MODIFICATION OF ELECTRODE MEMBRANES INDICATORS OF ISE FROM PVA-ENZYMES COATING PVC-KTpCIPB. In: The 8th International Conference on Theoretical and Applied Physics, 20-21 Sept 2018, Medan.

Banjarnahor, Humuntal and Hutabarat, Wesly and Sibuea, Abdul Muin and Situmorang, Manihar (2018) JOB SATISFACTION AS A MEDIATOR BETWEEN DIRECTIVE AND PARTICIPATORY LEADERSHIP STYLES TOWARD ORGANIZATIONAL COMMITMENT. International Journal of Instruction, 11 (04). pp. 869-888. ISSN 1694-609X

Situmorang, Manihar and Sinaga, Marudut and Purba, Jamalum and Daulay, Sapnita Idamarna and Simorangkir, Murniaty and Sitorus, Marham and Sudrajat, Ajat (2018) IMPLEMENTATION OF INNOVATIVE CHEMISTRY LEARNING MATERIAL WITH GUIDED TASKS TO IMPROVE STUDENTS' COMPETENCE. Journal of Baltic Science Education, 17 (04). pp. 535-550. ISSN 1648-3898

Simatupang, Lisnawaty and Siburian, Rikson and Sitanggang, Parna and Doloksaribu, Maryati Evivani and Situmorang, Manihar and Marpaung, Harlem (2018) SYNTHESIS AND APPLICATION OF SILICA GEL BASED ON MOUNT SINABUNG FLY ASH FOR Cd(II) REMOVAL WITH FIXED BED COLUMN. RASĀYAN Journal of Chemistry [RJC], 11 (02). pp. 819-827. ISSN 0976-0083

Sihombing, Kawan and Tamba, Monica Chrisdayanti and Marbun, Winry S and Situmorang, Manihar (2018) UREASE IMMOBILIZAD POTENTIOMETRIC BIOSENSOR FOR DETERMINATION UREA. Indian Journal of Chemistry-Section a Inorganic, Physical, Theoretical and Analytical Chemistry, 57A. pp. 175-180. ISSN 0975-0975

Hakim S., Abdul and Tarigan, Krista and Sebayang, Krista and Sembiring, T. and Situmorang, Manihar (2018) THE CHARACTERISTICS MEMBRANE PVA-ENZYME AND COATING PVC-PLATICIZER WITH SEM-EDX. International Journal of Scientific & Engineering Research (IJSER), 09 (01). pp. 1229-1236. ISSN 2229-5518

Hakim S., Abdul and Tarigan, Krista and Sebayang, Krista and Situmorang, Manihar and Sembiring, Timbangen (2017) THE CHARACTERISTICS MEMBRANE PVA-ENZYME AND COATING PVC-PLASTICIZER WITH XRD. In: The 4th Annual International Seminar on Trends in Science and Science Education 2017, 14 Nov 2017, Medan.

Simatupang, Lisnawaty and Sitanggang, Parna and Doloksaribu, Maryati Evivani and Siburian, Rikson and Situmorang, Manihar and Marpaung, Harlem (2017) SYNTHESIS AND ADSORBENT APPLICATION BASED ON SILICA FROM VULCANIC ASH SINABUNG FOR HEAVY METAL ADSORPTION ON Cd (II). In: The 4th Annual International Seminar on Trends in Science and Science Education 2017, 14 Nov 2017, Medan.

Situmorang, Manihar and Sihombing, Kawan (2017) STRATEGI MEMPERSIAPKAN MANUSCRIPT ARTIKEL YANG BAIK UNTUK PUBLIKASI PADA JURNAL ILMIAH BEREPUTASI. Jurnal Generasi Kampus, 10 (02). ISSN ISSN 1978-869X

Sinaga, Marudut and Sihombing, Kawan and Situmorang, Manihar (2017) INOVASI PEMBELAJARAN INTERAKTIF BERBASIS KONTEKSTUAL UNTUK MENINGKATKAN HASIL BELAJAR MAHASISWA PADA PENGAJARAN KIMIA UMUM. In: Semirata 2017 Bidang MIPA BKS-PTN Wilayah Barat, 12-14 May 2017, Jambi.

Sihombing, Kawan and Situmorang, Manihar and Hutabarat, Wesly (2017) PENGEMBANGAN SENSOR ELEKTROKIMIA UNTUK PENENTUAN UREA. In: Semirata 2017 Bidang MIPA BKS-PTN Wilayah Barat, 12-14 May 2017, Jambi.

Sihombing, Kawan and Tarihoran, Krystin and Tamba, Debby and Sinaga, Marudut and Situmorang, Manihar (2016) RANCANGBANGUN ELEKTRODA KERJA DENGAN IMMOBILASI ENZIM UREASE UNTUK PENENTUAN UREA. In: Seminar Nasional Hilirisasi Penelitian 2016, 21 Dec 2016, Medan.

Edni, Kartini and Situmorang, Manihar and Tarigan, Simson (2016) THE DEVELOPMENT OF INNOVATIVE TEACHING MATERIALS BASED ON MULTIMEDIA TO IMPROVE STUDENT LEARNING OUTCOMES OF SOLUBILITY AND SOLUBILITY PRODUCT MATERIALS. In: The 3rd Annual International Seminar on Trends in Science and Science Education 2016, 7 Oct 2016, Medan.

Sinaga, Marudut and Situmorang, Manihar (2015) PENGEMBANGAN BAHAN AJAR BERBASIS KONTEKSTUAL UNTUK MENINGKATKAN HASIL BELAJAR MAHASISWA PADA PENGAJARAN REAKSI REDOKS. In: Semirata 2015 Bidang MIPA BKS-PTN Barat, 2-7 May 2015, Pontianak.

Sinaga, Marudut and Sihombing, Kawan and Saputra, Agam and Hakim, Lukman and Situmorang, Manihar (2013) RANCANG BANGUN SENSOR KIMIA SEBAGAI INSTRUMEN ANALISIS DALAM DETEKSI SPEKTROFOTOMETRI UNTUK PENENTUAN PENGAWET NITRIT. Jurnal Penelitian Saintika, 13 (02). pp. 126-135. ISSN 1412-2995

Sinaga, Marudut and Naibaho, Ribka Tiwa and Situmorang, Manihar (2013) RANCANG BANGUN SENSOR KIMIA DALAM DETEKSI SPEKTROFOTOMETRI UNTUK PENENTUAN PENGAWET NITRIT. In: Semirata FMIPA Universitas Lampung 2013, 10-12 May 2013, Lampung.

Sinaga, Marudut and Simanungkalit, Betaria and Situmorang, Manihar (2013) PENGEMBANGAN SENSOR KIMIA UNTUK MONITORING PENGAWET BENZOAT DI DALAM BERBAGAI JENIS MINUMAN. Jurnal Penelitian Saintika, 13 (01). pp. 1-9. ISSN 1412-2995

Silitonga, Lisbet Laora and Situmorang, Manihar EFEKTIVITAS MEDIA AUDIOVISUAL TERHADAP PENINGKATAN PRESTASI BELAJAR SISWA PADA PENGAJARAN SISTEM KOLOID. /. 01-09.

Situmorang, Manihar (2010) PENGEMBANGAN METODE ANALISIS SPEKTROFOTOMETRY MELALUI REAKSI ENZIMASI UNTUK PENENTUAN GLUKOSA DI DALAM BUAH-BUAHAN. Jurnal Sains Indonesia, 34 (02). pp. 49-54. ISSN 1978-3841

Situmorang, Manihar (2011) PENGEMBANGAN DAN STANDARISASI BUKU AJAR KIMIA SMA/MA KELAS XII SEMESTER I BERDASARKAN STANDAR ISI KTSP. Jurnal Penelitian Bidang Pendidikan, 17 (01). pp. 38-48. ISSN 0852-0151

Situmorang, Manihar (2012) PENGEMBANGAN METODE ANALISIS SPEKTROFOTOMETRY UNTUK PENENTUAN KOLESTEROL DI DALAM MAKANAN TRADISIONAL. Jurnal Penelitian Saintika, 12 (02). pp. 90-97. ISSN 1412-2995

Singarimbun, Elisabeth and Silaban, Ramlan and Suyanti, Retno Dwi and Jahro, Iis Siti and Situmorang, Manihar (2015) PENGEMBANGAN BAHAN AJAR KIMIA INOVATIF PADA POKOK BAHASAN REDUKSI DAN OKSIDASI BERDASARKAN KURIKULUM 2013 TERINTEGRASI PENDIDIKAN KARAKTER. Jurnal Pendidikan Kimia, 07 (02).

Gultom, Erdiana and Situmorang, Manihar and Silaban, Ramlan (2015) PENGEMBANGAN BAHAN AJAR INOVATIF DAN INTERAKTIF MELALUI PENDEKATAN SAINTIFIK PADA PENGAJARAN TERMOKIMIA. Jurnal Pendidikan Kimia, 07 (02).

Silaban, Ramlan and Siregar, Sri Handayani and Jahro, Iis Siti and Situmorang, Manihar (2015) PENGARUH MODEL PROBLEM BASED LEARNING TERINTEGRASI INKUIRI TERBIMBING BERMEDIAKAN KOMPUTER TERHADAP HASIL BELAJAR DAN KARAKTER SISWA SMA. Jurnal Pendidikan Kimia, 07 (02).

Hutabarat, Wesly and Situmorang, Manihar and Sitorus, Marham and Situmorang, Zakarias (2015) THE DEVELOPMENT OF INNOVATIVE CHEMISTRY LEARNING MATERIAL FOR BILINGUAL SENIOR HIGH SCHOOL STUDENTS IN INDONESIA. International Education Studies, 08 (10). pp. 72-85. ISSN 1913-9020

Situmorang, Manihar (2012) KIMIA ANALITIK-I (KIMIA ANALITIK DASAR). FMIPA Unimed, Medan. ISBN 978-979-16240-0-8

Situmorang, Manihar (2010) KIMIA ANALITIK LANJUT DAN INSTRUMENTASI. FMIPA Unimed, Medan. ISBN 978-979-16240-2-2

Situmorang, Manihar (2010) PENELITIAN TINDAKAN KELAS (PTK) UNTUK MATA PELAJARAN KIMIA (DENGAN SUPLEMEN). Unimed, Medan. ISBN 978-602-8848-31-2

Situmorang, Manihar (2012) KIMIA LINGKUNGAN. FMIPA Unimed, Medan. ISBN 978-979-16240-1-5

Situmorang, Manihar and Silitonga, Pasar M. and Nurwahyuni, Isnaini (2012) PENGEMBANGAN BIOSENSOR SEBAGAI INSTRUMEN ANALISIS UNTUK PENENTUAN KOLESTEROL DI DALAM MAKANAN TRADISIONAL. In: Seminar & Rapat Tahunan BKS-PTN B MIPA tahun 2012, 11-12 May 2012, Medan.

Situmorang, Manihar and Purba, Jamalum and Zainiati and Samosir, Eko Ahmad (2013) PEMBUATAN ION SELEKTIF ELEKTRODA MENGGUNAKAN IONOFOR DTODC UNTUK PENENTUAN MERKURI (ISE-HG). In: Seminar dan Rapat Tahunan Bidang MIPA BKS PTN Wilayah Barat tahun 2013, 10-12 May 2013, Bandar Lampung.

Hutabarat, Wesly and Situmorang, Manihar (2014) PENGARUH PERUBAHAN BUDAYA DAN STRUKTUR ORGANISASI TERHADAP MOTIVASI KERJA. In: Seminar Nasional Kimia 2014, 20 May 2014, Medan.

Situmorang, Manihar and Silitonga, Maulim and Nurwahyuni, Isnaini (2008) RANCANG BANGUN BIOSENSOR ELEKTROKIMIA SEBAGAI INSTRUMEN ANALISIS UNTUK KONTROL KUALITAS MAKANAN DAN MINUMAN. Project Report. FMIPA Unimed, Medan.

Purba, Jamalum and Sinaga, Marudut and Situmorang, Manihar (2010) PENGEMBANGAN METODE POTENSIOMETRI DALAM SISTEM FLOW INJEKSI ANALISIS (FIA) UNTUK PENENTUAN LOGAM BERAT DALAM SAMPEL LINGKUNGAN. Project Report. FMIPA Unimed.

Situmorang, Manihar and Simaremare, Bintang and Elnovreny, Jane and Naiborhu, Putri Derita and Sumbayak, Dameita (2012) THE DEVELOPMENT OF CHEMISTRY LEARNING MODULE FOR RSBI SENIOR HIGH SCHOOL STUDENTS. Project Report. FMIPA Unimed.