Billones, Rey F.,
Potability of pumpwell waters in three selected zones in barangay San Isidro Inapatan, Nabua, Camarines Sur/
Rey F. Billones, Esther B. Endrinal, Shiela Marie G. Mendrano
- Nabua, Camarines Sur : Camarines Sur Polytechnic Colleges ; 2010.
- 99 leaves.
Undergraduate Thesis (BSN) - Nursing