Ponrajah.A.J.P. <br/><br/>
TECHNICAL GUIDE LINES FOR IRRIGATION WORKS 

 - Irrigation Department  Colombo,SriLanka  1988 
 - 259p.  Cht.,Fig and Table 
<br/><br/><label>Nat. Bib. No.: </label>7446 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering
<br/><br/><label>Universal Decimal Class. No.: </label>626.12  / PON