Ruminant production in the dry subtropics constraints and potentials proceedings of the international symposium on the constraints and possibilities ... Cairo, Egypt, 5-7 November 1988 E.S.E. Galal, M.B. Aboul-Ela and M.M. Shafie. - Pudoc Wageningen: Centre for Agricultural Pub. and Documentation, 1989. - 268 pages ; 24 cm.

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Ruminants--Congresses.