Rahman, M., Zaman, M. and Islam, A. 2015. Efficacy Test of Growth Promoters From Some Pharmaceutical Companies on Koi (Anabas Testudineus) Fish. Journal of Environmental Science and Natural Resources. 7, 1 (Feb. 2015), 93–98. DOI:https://doi.org/10.3329/jesnr.v7i1.22151.