El-Roby, Afaf Mohamed Mohamed Saleh. <br/><br/>
Biological and ecological studies on the main insect pests infesting jerusalem artichoke (Helianthus Tuberosus l.) in Egypt  [computer file]/ 
 دراسات بيولوجية وبيئية على الآفات الحشرية الرئيسية التى تصيب نبات الطرطوفة فى مصر. 
Afaf Mohamed Mohamed Saleh El-Roby. 
 -  2009. 
 - Computer laser optical disk; c4 3/4 in. 
<br/><br/>Thesis (Ph.D.) -- Ain Shams University,2009. 
<br/><br/>Includes bibliographical references (leaves 203-209) . 
<br/><br/><br/>Systems requirements: Adobe Reader. 
<br/><br/><br/>Summary in Arabic. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Jerusalem artichoke--Diseases and pests--Egypt.<br/>Jerusalem artichoke--Insect resistance.