Daudpoto, Muhmammad Rafique, 		Talpur, Mir Ghulam Haider, 		Shah, Feroz, AND 		Khooharo, Aijaz.
" A Residual Analysis for the Removal of Biological Oxygen  Demand through Rotating Biological Contactor" <em>Mehran University Research Journal of Engineering and Technology</em> [Online], Volume 40 Number 2 (1 April 2021)