El-Said, Adel Salim. <br/><br/>
A study on mechanical weeds control in canals and drains   [microform] / 
by Adel Salim El-Said. 
 -  1978. 
 - 75, 3 leaves :  ill. ;  30 cm. 
<br/><br/>Thesis (M.S.)--Zagazig University, 1978. 
<br/><br/>Includes bibliographical references (leaves 67-69) 
<br/><br/><br/>Microfiche. <br/>ASUNET : <br/>Ain Shams University. <br/>2 Microfiches : negative. 
<br/><br/><br/>Summary in Arabic. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Weeds--Control.