Irrigation 

 - Chapter 3: DID Manual 1973 
 - Pusat Latihan Kakitangan, JPS Ampang  [date of publication not identified] 
 - 84 pages, drawings & charts, 30 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>To give some background knowledge & information on irrigation to newly recruited staff.