“Synthesis of Manganese Oxide from Manganese Ore of Bajaur Agency Khyber Pakhtunkhwa (KPK), Pakistan”. Bangladesh Journal of Scientific and Industrial Research 58, no. 4 (December 23, 2023): 221–230. Accessed July 3, 2026. https://www.banglajol.info/index.php/BJSIR/article/view/64335.