TY  - BOOK
AU  - Ventura,Deborah C.
TI  - Water Treatment Among Water Districts in Rinconada, Camarines Sur
U1  - 553.7 MAED 
PY  - 2006///
CY  - San Miguel, Iriga City
PB  - University of Saint Anthony
N1  - Includes Bibliographical References
ER  -