Rashidah, Amalia Amira, Department of Chemistry, Faculty of Mathematics and Natural Sciences, State University of Medan
Ratnawati, Syarifah, Madrasah Tsanawiyah Negeri 3 Aceh Barat, Aceh Barat, Indonesia
Refelita, Fitri, Jurusan Pendidikan Kimia Fakultas Tarbiyah dan Keguruan Universitas Islam Negeri Sultan Syarif Kasim 28293 Kota Pekanbaru
Ridho, Dimas, Departmen of Chemistry, Faculty of Mathematics and Science, Universitas Negeri Medan (Indonesia)
Ridho, Dimas, Department of Chemistry , Faculty of Mathematics and Natural Sciences, Universitas Negeri Medan (Indonesia)

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