Priska, Nadia, Science Education Study Program, Biology Department, Faculty of Mathematics and Natural Sciences, Universitas Negeri Medan, Indonesia (Indonesia)
Pulungan, Ahmad Shafwan, Department of Biology, Faculty of Mathematics and Natural Sciences, Universitas Negeri Medan, 20221, Indonesia (Indonesia)
Pulungan, Ahmad Nasir, Departemen of Chemistry, Faculty of Mathematics and Natural Sciences, State University of Medan (Indonesia)
Pulungan, Ahmad Shafwan, Departement of Chemistry, Faculty of Mathematics and Natural Science, Medan State University, 20221, Indonesia (Indonesia)
Pulungan, Ahmad Nasir, Department of Chemistry, Faculty of Mathematic and Natural Science, Universitas Negeri Medan

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