Proceedings/ 
published by Ministry of Statistics and Programme, India 
 - Thiruvananthapuram :  2001 
 - 169 p. :  ill. ;  30 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water conservation--Research--Congresses<br/>Water reuse--Congresses<br/>Water--Purification--Coagulation
<br/><br/><label>Dewey Class. No.: </label>628