Simorangkir, Murniaty, Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Negeri Medan, Medan 20221, Indonesia (Indonesia)
Simorangkir, Murniaty, Chemistry Department, Faculty of Mathematics and Sciences, Medan State University (Indonesia)
Sinaga, April, Dapertemen Kimia, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Negeri Medan (Indonesia)
Sinaga, April, Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Negeri Medan (Indonesia)
Sinaga, Cinthia Uly Hotnami, Chemistry Department, Faculty of Mathematics and Sciences, Medan State University, Medan (Indonesia)

96 - 100 of 154 Items    << < 18 19 20 21 22 > >> 

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