Hasan, M., Rahman, M., Hosen, M. and Bashar, M. 2013. Effects of addition of tilapia on the abundance of periphyton in freshwater prawn culture ponds with periphyton substrates. Journal of the Bangladesh Agricultural University. 10, 2 (May 2013), 313–324. DOI:https://doi.org/10.3329/jbau.v10i2.14924.