@book{43433,
	author = {Khalafalla, M. M. E. and Salem, M. F. E.},
	title = {Use of (olive cake, sugar beet pulp and molasses) as non-conventional energy feed sources in Nile tilapia (Oreochromis niloticus) diets},
	url = {http://nile.enal.sci.eg/EALE/2006/EJAR/8406/SI/1B/295.pdf}
}