M. R. DAUDPOTO, M.G.H. TALPUR, F. SHAH, and A. KHOOHARO. “Response Surface Methodology for Removal of Biological Oxygen Demand (BOD) through RBC”. Sindh University Research Journal - SURJ (Science Series), Vol. 50, no. 4, Apr. 2020, https://sujo.usindh.edu.pk/index.php/SURJ/article/view/1088.