(Papers) :  Symposium on Industrial Wastewater Control, Serdang, July 7-11, 1980 / 
jointly organised by  Faculty of Science and Environmental Studies, UPM ... (et al.). 
 - Serdang :  Faculty of Science and Environmental Studies, UPM,  1980. 
 - v. (various pagings) ;  31 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Factory and trade waste--Congresses.<br/>Refuse and refuse disposal--Congresses.