Agus, Jasdar, Edysul Isdar, and Aruyo Suharyanto. “REDUKSI BIJIH MANGAN”. SAINFIS: Jurnal Sains Fisika 2, no. 2 (August 31, 2022): 39-44. Accessed November 22, 2024. https://journal3.uin-alauddin.ac.id/index.php/sainfis/article/view/31586.