Moondra Zubir, (Scopus ID: 57188681604; SINTA ID: 5996528) Department of Chemistry, Faculty of Mathematics and Natural Science, Universitas Negeri Medan, Medan, Indonesia
Siti Rahmah, M.Sc, (Scopus ID : 57217823476) Chemistry Department, Faculty of Mathematics and Natural Science of Universitas Negeri Medan
Putri Faradilla, M.Si., (Scopus ID : 57415224800) Chemistry Department, Faculty of Mathematics and Natural Science of Universitas Negeri Medan
Dr. techn. Marini Damanik, M.Si, (Scopus ID : 57196095434) Chemistry Department, Faculty of Mathematics and Natural Science of Universitas Negeri Medan