Khan, M.G.Q., McAndrew, B.J. and Penman, D.J. 2015. Validation of clonal line females for sex determination studies in nile tilapia Oreochromis niloticus L. Research in Agriculture Livestock and Fisheries. 1, 1 (Feb. 2015), 147–158. DOI:https://doi.org/10.3329/ralf.v1i1.22378.