Silitonga, Yosi Santika, Billingual Program of Chemistry Depatment, Faculty of Mathematics and Natural Sciences, Universitas Negeri Medan, Jl. Willem iskandar Ps. V, Medan estate, Indonesia. (Indonesia)
Simanjuntak, Debora P, Chemistry Department, Faculty of Mathematics and Natural Sciences, Universitas Negeri Medan, Medan 20221, Indonesia (Indonesia)
Simanjuntak, Maria Enjelita, Chemistry Department, Universitas Negeri Medan, Jl. Willem Iskandar, Pasar V, Medan 20221, Indonesia (Indonesia)
Simatupang, Endang, Organic Chemistry Laboratory, Faculty of Mathematics and Natural Sciences, Universitas Sumatera Utara, Medan 20155, Indonesia (Indonesia)
Simatupang, Lisnawaty, Department of Chemistry- Faculty of Mathematics and Natural Sciences Universitas Negeri Medan

56 - 60 of 111 Items    << < 10 11 12 13 14 > >> 

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