Synthesis of manganese oxide from manganese ore of bajaur agency khyber Pakhtunkhwa (KPK), Pakistan. Bangladesh J. Sci. Ind. Res. [Internet]. 2023 Dec. 23 [cited 2026 Jul. 3];58(4):221-30. Available from: https://www.banglajol.info/index.php/BJSIR/article/view/64335