Boangmanalu, Srunika, Department of Chemistry, Faculty of Mathematics and Sciences, Universias Negeri Medan, Medan 20221, Indonesia (Indonesia)
Br Ginting, Gracia Tri Putri, Science Education Study Program, Biology Department, Faculty of Mathematics and Natural Sciences, Universitas Negeri Medan, Indonesia (Indonesia)
Br Sembiring, Murna Sari, Pendidikan IPA, FMIPA Universitas Negeri Medan (Indonesia)
Br Surbakti, Desika Devani, Chemistry Department, Faculty of Mathematics and Natural Science, Universitas Negeri Medan, Medan 20221, Indonesia (Indonesia)
Br Tarigan, Tesya Lonika, Department of Chemistry, Faculty of Mathematics and Sciences, Universitas Negeri Medan, Medan 20221, Indonesia (Indonesia)

46 - 50 of 556 Items    << < 8 9 10 11 12 > >> 

This work is licensed under a Creative Commons Attribution 4.0 International License.