Sharaf El-Din, H.A. <br/><br/>
The factors affectingon  the collection of propous (bee glue) by honeybee Apis Mewfera L. colonies  [electronic resource]. 
 العوامل المؤثرة علي جمع البروبوليس (صمغ النحل) بواسطة طوائف نحل العسل. 

 - p.Pl.1-10. 
<br/><br/>Includes reference. 
<br/><br/> This study was carried out during the years (2003, 2004 and 2005) in two regions. 
<br/><br/><br/>Summary in Arabic. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Honeybee.<br/>Propolis.