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Rahmah, Siti, Department of Chemistry, Faculty of Mathematics and Natural Sciences, Medan State University, Medan 20221, Indonesia (Indonesia)
Rahmah, Siti, Department of Chemistry, Faculty of Mathematics and Natural Science, Universitas Negeri Medan (Indonesia)
Rahmah, Siti, Universitas Negeri Medan (Indonesia)
Rahmayani, Putri, Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Negeri Medan (Indonesia)
Rajagukguk, Mega Evelin, Organic Chemistry Laboratory, Faculty of Mathematics and Natural Sciences, Universitas Sumatera Utara (Indonesia)
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