Ridho, Dimas, Department of Chemistry, Faculty of Mathematics and Science, Universitas Negeri Medan, Medan (Indonesia)
Ridho, Dimas, Department of Chemistry, Faculty of Mathematics and Natural Sciences, State University of Medan
Ridho, Dimas, Department of Chemistry, Faculty Of Mathematic and Natural Sciences, State University Of Medan (Indonesia)
Ridho, Dimas, Department of Chemistry, Faculty of Mathematics and Natural Sciences, State University of Medan (Indonesia)
Ridwanto, Ridwanto, Department of Pharmacy, Universitas Muslim Nusantara Al Washliyah (Indonesia)

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