Abd El Hameed,Mohammad Abd Elazeem Abd Alla. <br/><br/>
Studies on certain honeybee diseases(Apis mellifera l.)  [computer file]/ 
 دراسات على بعض أمراض نحل العسل. 
Mohammad Abd Elazeem Abd Alla Abd El Hameed. 
 -  2007. 
 - Computer laser optical disks;  4 3/4 in. 
<br/><br/>Thesis (Ph.D.)--Zagazig University,2007. 
<br/><br/>Includes bibliographical references. 
<br/><br/><br/>System requirments:win word. 
<br/><br/><br/>Summary in Arabic. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Honeybee--Diseases.<br/>Varroa disease