Issa, Yehia Hafez Abd El-Razik. <br/><br/>
Studies on the resistance of the Egyptian cotton leafworm, Spodoptera littoralis (boisd.)to pesticides with special reference to insect growth regulators  [microform] / 
 دراسات على مقاومة دودة ورق القطن للمبيدات وعلاقة ذلك بمنظمات النمو الحشرية.‪‪‪‪‪‪‪‪‪ 
Yehia Hafez Abd El-Razik Issa. 
 -  1983. 
 - 134, 4 leaves :  ill. ;  30 cm. 
<br/><br/>Thesis (Ph.D.) -- Menoufia Univesity, 1983. 
<br/><br/>Includes bibliographical references (leaves 116-134) 
<br/><br/><br/>Microfiche. <br/>Cairo, Egypt : <br/>ASUNET, <br/>3 microfiche : negative. 
<br/><br/><br/>Summary in Arabic. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cotton leafworm--Insecticide resistance<br/>Insecticide resistance<br/>Growth regulators.