TY  - BOOK
AU  - Metin,Rolando L.
TI  - Guidebook for designating water quality management area
T2  - The Philippine Sustainable Sanitation Knowledge Series
SN  - 9789718986790
PY  - 2010///
CY  - Quezon City
PB  - Department of Environment and Natural Resources
KW  - Water Quality
ER  -