1. Magister Programme in Environment Management, Sriwijaya University, Jl. Padang Selasa No. 524 Ilir Barat 1, Palembang, South Sumatra, Indonesia
2. Graduate School, Faculty of Mathematics and Natural Science, Sriwijaya University, Jl. Palembang-Prabumulih, Km.90-32, Ogan Ilir, South Sumatera, Indonesia
3. Research Center of Inorganic Materials and Complexes, Universitas Sriwijaya, Palembang, 30139, Indonesia
4. Master Program of Material Science, Graduate School Universitas Sriwijaya, Palembang, 30139, Indonesia