Polythene plastic a Lining material for water courses / 
Agriculture research council Pakistan 
 - Report No. IRR-II/PK.ARS-6/FG.PA.224 
 - Lahore :  Irrigation Central Region ,  Dec-1978 
 - Various Pages  Illustrations,map 
<br/><br/><br/>In English 
<br/><br/> Pbk. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>water courses
<br/><br/><label>Dewey Class. No.: </label>530 POL 1978