Tampubolon, Gita Dwi Dwi Ayu Ninzy, Department of Chemistry, Faculty of Mathematics and Natural Sciences, State University of Medan, Medan Indonesia (Indonesia)
Tampubolon, M. Rizky Fauzan, Science Education Study Program, Biology Department, Faculty of Mathematics and Natural Sciences, Universitas Negeri Medan, Indonesia (Indonesia)
Tampubolon, Rumondang Fransiska, Departemen Kimia, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Negeri Medan (Indonesia)
Tanjung, Amar Lohot, Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Negeri Medan, 20221, Indonesia (Indonesia)
Tanjung, Amar Lohot, Department of Chemistry, Faculty of Mathematics and Natural Sciences, State University of Medan (Indonesia)

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