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Fayed, R. H., and E. K. G. Eraqi, "Effect of Yeast as Feed Supplement on Behavioural and Productive Performance of Broiler Chickens ", Life science J., vol. 9, issue 4, pp. 4026-4031, 2012. 600_13283life0904_4026_4031.pdf
R.H.Fayed, "Adaptation of the camel to desert environment", ESARF 11th Annual Conference (2001) Proceedings, cairo, 2001. adaption_of_camel.doc
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