Osama Elsaid Ibrahim Hassanien <br/><br/>
Epidemiological studies on coryne-bacterium ovis in sheep farms /  
 دراسات وبائية عن ميكروب السل الكاذب في مزارع الأغنام 
Osama Elsaid Ibrahim Hassanien ; Supervised Abdelhamid Zakaria Fahmy , Faiez Mostafa Hassanien , Ehab Ali Helali 
 - Cairo :   Osama Elsaid Ibrahim Hassanien ,   1998 
 - 120 Leaves :   charts , facsimiles ;   30cm 
<br/><br/>Thesis (Ph.D.) - Cairo University - Faculty of Veterinary Medicine - Department of Veterinary Hygiene and Management