By Ayyat M.S.   Marai I.F.M.   in Journal of Arid Environments

ISSN:0140-1963|37|3|557-568

Academic Press‎(1997)‎

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By Marai I.F.M.   Ayyat M.S.   Abd El-Monem U.M.   in Tropical Animal Health and Production

ISSN:0049-4747|33|6|451-462

Springer Publishing Company ‎(2001)‎

Access to resources Favorite 9.971877