Yenni Mulyani,
Department of Chemistry, Faculty of Mathematics and Natural Sciences, Riau University
Bina Widya Campus, Jl. HR. Soebrantas, Km. 12.5, Pekanbaru, 28293, Indonesia,
Indonesia
Nurhayati Nurhayati,
Department of Chemistry, Faculty of Mathematics and Natural Sciences, Riau University
Bina Widya Campus, Jl. HR. Soebrantas, Km. 12.5, Pekanbaru, 28293, Indonesia,
Indonesia
Amir Awaluddin,
Department of Chemistry, Faculty of Mathematics and Natural Sciences, Riau University
Bina Widya Campus, Jl. HR. Soebrantas, Km. 12.5, Pekanbaru, 28293, Indonesia,
Indonesia