Abd Elhafez, Mohamed Ahmed Mohamed Agro-industrial by-products in cattle livers [electronic resource] / مدي تواجد المخلفات الزراعية والصناعية في أكباد الأبقار Mohamed Ahmed Mohamed Abd Elhafez - 2016. Thesis (M.S.) -- Kafrelsheikh University, 2016. Includes bibliographical references Systems requirements : Adobe Reader Summary in Arabic Subjects--Topical Terms: Cows--PhysiologyAgricultural wastesCows--Morphology