Siraj, S, AI Kazi, S Ahmed, MA Akbor, and A Ahsan. 2011. “Manganese Removal Status by Arsenic Removal Technologies Available in Bangladesh: Manganese Removal Treatment by Sodium Hypochlorite”. Bangladesh Journal of Scientific and Industrial Research 46 (3):291-96. https://doi.org/10.3329/bjsir.v46i3.9033.