Damanik, Marini, Department of Chemistry, State University of Medan (Indonesia)
Damanik, Marini, State University of Medan, Address, Medan 2021, Indonesia (Indonesia)
Damanik, Marini, Chemistry Department Faculty of Mathematics and Natural Science, State University of Medan (Indonesia)
Damanik, Marini, Chemistry Department, Faculty of Mathematics and natural Sciences, Universitas Negeri Medan, Medan, 20371, Sumatera Utara (Indonesia)
Damanik, Virni Grace Irene, Chemistry Department, Indonesian University of Education, Bandung, Indonesia (Indonesia)

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