1 | Graduate School of Faculty Mathematics and Natural Sciences, Sriwijaya University, Palembang, 30139, Indonesia |
2 | Magister Programme Graduate School of Mathematics and Natural Sciences, Sriwijaya University, Palembang, 30139, Indonesia |
3 | Research Center of Inorganic Materials and Complexes, Faculty of Mathematics and Natural Sciences, Sriwijaya University, Palembang, 30139, Indonesia |
4 | Department of Pharmacy, Faculty of Mathematics and Natural Sciences, Sriwijaya University, Palembang, 30662, Indonesia |