V., N., Verma, A. K., H., C. M., Prakash, C., & Saharan, N. (2013). COMPARATIVE PERFORMANCE OF SUBMERGED AND TRICKLING BIOFILTER IN RECIRCULATING AQUACULTURE SYESTEM. Journal of Indian Fisheries Association, 40. https://epubs.icar.org.in/index.php/JIFA/article/view/55823