Hamed, Ahmed Ragab <br/><br/>
Studies on safety in the operation of agricultural mechanization units  [computer file]/ 
 دراسات فى أمن وسلامة تشغيل وحدات الميكنة الزراعية. 
Ahmed Ragab Hamed. 
 -  2005. 
 - Computer  laser  optical disk. 
<br/><br/>Thesis (M.S.)--Cairo  University,2005. 
<br/><br/>Includes bibliographical references (leaves 154-163). 
<br/><br/><br/>System requirement  : WinWord. 
<br/><br/><br/>Summary in Arabic. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural machinery<br/>Agricultural machinery--Design and construction<br/>Tractor driving