El-Guibali, Amal Hassan. <br/><br/>
Development of a closed system irrigation technique with water recirculating  [microform] / 
Amal Hassan El-Guibali. 
 -  1990. 
 - 111, 3 leaves :  ill. ;  30 cm. 
<br/><br/>Thesis (M.S.)--Ain Shams University, 1990. 
<br/><br/>Includes bibliographical references (leaves 91-95) 
<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/>Irrigation.<br/>Irrigation--Systems engineering .<br/>Agricultural machinery.