Items where Author is "Situmorang, Rappel"

Rajagukguk, Juniastel and Harahap, Nursaida and Situmorang, Rappel and Hakim S., Abdul (2021) Investigation of Sm 3+-doped PBNaG glasses for orange LED applications. Journal of the Korean Physical Society, 78 (03). pp. 177-181. ISSN 0374-4884; 1976-8524

Rajagukguk, Juniastel and Situmorang, Rappel and Fitrilawati and Djamal, Mitra (2019) Structural, spectroscopic and optical gain of Nd3+ doped fluorophosphate glasses for solid state laser application. Journal of Luminescence, 216. pp. 1-8. ISSN 0022-2313

Harahap, Nursaida and Rajagukguk, Juniastel and Rahmaniar and Situmorang, Rappel and Hakim S., Abdul and Kaewkhao, Jakrapong (2019) PHYSICAL AND STRUCTURAL PROPERTIES OF SM3+ DOPED PHOSPHATE GLASSES. In: The 4th International Conference on Applied Physics and Materials Application, 18-20 Sept 2019, Sumatera Utara.

Tampubolon, Togi and SITORUS, EPRELITA and Situmorang, Rappel and Harahap, Muhammad Ali Thoha (2018) IDENTIFICATION OF SUBSURFACE AREA IN TINGGI RAJA SIMALUNGUN DISTRICT BY USING GEOMAGNETIC METHOD. American Journal of Engineering Research (AJER), 07 (04). pp. 116-120. ISSN 2320-0936 (p) ; 2320-0847 (e)

Simanjuntak, Mariati Purnama and Turnip, Betty Marisi and Situmorang, Rappel (2016) COLLEGE STUDENT’S WORKSHEET BASED ON PROBLEM WITH SCIENTIFIC APPROACH TO DEVELOP CRITICAL THINKING SKILL. In: Proceeding AISTEEL The First Annual International Seminar on Transformative Education and Educational Leadership, 19 November 2016, Medan.

Simanjuntak, Mariati Purnama and Turnip, Betty Marisi and Situmorang, Rappel (2015) DESAIN PENGEMBANGAN MODEL PEMBELAJARAN FISIKA BERBASIS MASALAH TERHADAP KETERAMPILAN BERPIKIR KRITIS DAN PROSES SAINS MAHASISWA. Jurnal Inovasi Pembelajaran Fisika (INPAFI), 3 (2). pp. 83-88. ISSN 2337-4624

Juliani, Rita and Situmorang, Rappel and Lumbanraja, Wanri (2011) POLA PENENTUAN PARAMETER KERUSAKAN TERUMBU KARANG DI DAERAH SIBOLGA. Project Report. FMIPA Unimed.