Metin, Rolando L.  <br/><br/>
Guidebook for designating water quality management area / 
Rolando L. Metin 
 - Quezon City :  Department of Environment and Natural Resources,  2010. 
 - The Philippine Sustainable Sanitation Knowledge Series .
<br/><br/><label>ISBN: </label>9789718986790 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water Quality