(1)
Chemistry Department, Mathematics, Natural Science and earth sciences Faculty, Manado State University, Tondano 95618, Indonesia
,
(2)
Chemistry Department, Mathematics, Natural Science and earth sciences Faculty, Manado State University, Tondano 95618, Indonesia
,
(3)
Chemistry Department, Mathematics and Natural Science Faculty, Padang State University, Padang, Indonesia
,
(4)
Chemistry Department, Mathematics, Natural Science and earth sciences Faculty, Manado State University,
,
(5)
Chemistry Department, Mathematics, Natural Science and earth sciences Faculty, Manado State University, Tondano 95618, Indonesia
,
(6)
Chemistry Department, Mathematics, Natural Science and earth sciences Faculty, Manado State University, Tondano 95618, Indonesia