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Nasution, Tiamina, Department of Chemistry, Faculty of Mathematic and Natural Science, Universitas Negeri Medan (Indonesia)
Nasution, Zuhairiah, Jurusan Kimia, Universitas Negeri Medan (Indonesia)
Nasution, Zuhairiah, Chemistry Departement, Universitas Negeri Medan (Indonesia)
Natasya, Titania, Pendidikan IPA, FMIPA Universitas Negeri Medan (Indonesia)
Nilmarito, Suriati, Chemistry Department, Faculty of Mathematics and Sciences, Medan State University, Medan (Indonesia)
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