Items where Author is "Sudrajat, Ajat"

Article

Nurfajriani and Sudrajat, Ajat and Pulungan, Ahmad Nasir and Yusuf, Muhammad and Pardosi, Ira D. (2023) Mechanical Characterization of Composites Reinforced by Corn Husk Fiber (Zea mays) Waste and Coffee Husk Fiber (Coffea Arabica L). Materials Science Forum, 1080. pp. 75-81. ISSN 1662-9752

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

Sitorus, Marham and Sudrajat, Ajat and Lestari, Mega (2015) PENGEMBANGAN BAHAN AJAR INOVATIF DAN INTERAKTIF MELALUI PENDEKATAN SAINTIFIK PADA PEMBELAJARAN REAKSI REDOKS DAN ELEKTROKIMIA. Jurnal Pendidikan Kimia, 07 (02). ISSN 2085-3653

Mahmud and Harsyah, Fauziah and Sudrajat, Ajat (2015) IMPLEMENTASI MODEL PEMBELAJARAN KOOPERATIF BERBASIS MASALAH TERINTEGRASI BUKU AJAR DALAM MENINGKATKAN HASIL BELAJAR DAN MENUMBUHKEMBANGKAN KARAKTER SISWA PADA PERHITUNGAN KIMIA. Jurnal Pendidikan Kimia, 07 (02).

Monograph

Darmana, Ayi and Sudrajat, Ajat and Roza, Destria and Sinaga, Germanicus and Ningsih, Tita Juwita (2008) ANALISIS KESALAHAN MAHASISWA PRODI PENDIDIKAN KIMIA SEMESTER 8 DALAM MENGKONVERSI SATUAN KONSENTRASI LARUTAN. Project Report. FMIPA Unimed, Medan.

Juniar, Anna and Sinaga, Germanicus and Sudrajat, Ajat and Simatupang, Lisnawaty and Sihombing, Kawan (2005) PENGARUH ANION DAN KOMPOSISI PELARUT TERHADAP EKSTRAKSI SAMARIUM (III) KRIPTAT [2.2.2B]. Project Report. FMIPA Unimed.

Sudrajat, Ajat and Nusyirwan and Darmana, Ayi and Juniar, Anna and Nurfajriani (2006) PENGARUH KONSENTRASI NAOH DAN SPAN - 80 PADA SISTEM EKSTRAKSI FENOL DALAM AIR SECARA EMULSI MEMBRAN CAIR. Project Report. FMIPA Unimed.

Conference or Workshop Item

Lubis, Alfi Rizkina and Sudrajat, Ajat and Nugraha, Asep Wahyu (2021) Pengembangan Instrument Asessment Higher Order Thinking Skill (HOTS) Untuk Mengukur Kemampuan Berpikir Tingkat Tinggi Pada Materi Hidrolisis Garam. In: Prosiding Seminar Nasional Kimia & Pendidikan Kimia#2 - 2021, 11 Desember 2021, Medan.

ARDILA, MUTIA and Sudrajat, Ajat (2020) Pengembangan Media Interaktif Ispring Presenter Pada Materi Kesetimbangan Kimia. In: Seminar Nasional Kimia dan Pendidikan Kimia 2020, 12 Desember 2020, Medan.

Nasution, Rizki Fitriani and Darmana, Ayi and Sudrajat, Ajat (2020) VALIDASI BAHAN AJAR KIMIA DASAR TERINTEGRASI NILAI – NILAI ISLAMBERBASIS KONTEKSTUAL. In: Seminar Nasional Kimia dan Pendidikan Kimia 2020, 12 Desember 2020, Medan.

Hutahaean, Fretty Nafratilova and Sitorus, Marham and Sudrajat, Ajat (2019) The Development of Guidance and Integrated Science Practicum Kit Integrated Guided Inquiry Model bases Science Process Skills for Class VII Semester I. In: Proceedings of The 4th Annual International Seminar on Transformative Education and Educational Leadership (AISTEEL), 23 – 24 September 2019, Garuda Plaza Hotel, Medan,.

Chairani, Yuni and Sudrajat, Ajat and Yusuf, Muhammad (2019) Interactive Multimedia-Based Learning Materials Innovation for Teaching Basic Techniques in Analysis. In: Proceedings of The 4th Annual International Seminar on Transformative Education and Educational Leadership (AISTEEL), 23 – 24 September 2019, Garuda Plaza Hotel, Medan,.

Sudrajat, Ajat (2016) IMPLEMENTASI MODEL COOPERATIVE PROBLEM BASED LEARNING DALAM MENINGKATKAN HASIL BELAJAR DAN MENUMBUHKEMBANGKAN KARAKTER SISWA PADA MATERI STOIKIOMETRI. In: Seminar Nasional Kimia dan Pendidikan Kimia 2016, 30-31 May 2016, Medan.

Patent

LPPM Universitas Negeri Medan (2022) MODIFIKASI KOMPOSIT POLIESTER DENGAN FILLER SERAT KULIT KOPI (Coffee Arabica L.) DAN KULIT JAGUNG (Zea Mays). EC00202282130.