Hassan et al., 1992. Aquaculture, 104 (3/4): 315-326

Hassan, M. S. ; Edwards, P., 1992. Evaluation of duckweed (Lemna perpusilla and Spirodela polyrrhiza) as feed for Nile tilapia (Oreochromis niloticus). Aquaculture, 104 (3/4): 315-326