ABU Bakar Jaafar <br/><br/>
Report on 1979 national water quality monitoring programmee 
by Abu Bakar Jaafar, Jamaludin Mahmud Abu Bakar 
 - Kuala Lumpur  Bahagian Alam Sekitar  1980 
 - 94 p.  ill.  30 cm 
<br/><br/><label>ISBN: </label>T000001150