National water resources study Malaysia: Perlis-Kedah-Pulau Pinang Regional Water Resources Study Part 1 Vol. 6 Annex G. Water Quality 

 - JICA  1984 
 - p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water Resources<br/>CONSTUDY.<br/>General.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Malaysia, Perlis.<br/>Perlis.