RIVER WATER QUALITY SAMPLING 1981 

 - K. Lumpur : The Publication Unit, Min. of Agriculture,  1981 
 - 16p ; illus. 
 - Hydrological procedure ; no.22 .
<br/><br/><br/>ENG 
<br/><br/><label>Subjects--Topical Terms: </label><br/>HYDROLOGY - WATER QUALITY.<br/>SAMPLING - SURFACE WATER.