Youssef Lotfy Phillip Youssef, <br/><br/>
Nutritional studies for improving the utilizataion of water hyacinth by ruminants /    
 دراسات غذائية لتحسين الاستفادة من ورد النيل كغذاء للمجترات 
By Youssef Lotfy Phillip Youssef; Under the Supervision of Prof.Dr. A.Z.Mehrez, Prof.Dr. Sabbah.M.Allam, Prof.Dr.T.M.ElBedawy 
 - Leaves  illustrations  30 cm. +  
<br/><br/>Thesis (M.Sc.) -Cairo University, 1996. 
<br/><br/>Bibliography: pages 118:129. 
<br/><br/><label>Subjects--Index Terms: </label>nutritional   water hyacinth by ruminants