Perez, Wellie B., Water supply system at Los Angeles Buhi a study/ Wellie B. Perez, John Henry S. Bas, Jomel P. Clemente - Nabua, Camarines Sur : Camarines Sur Polytechnic Colleges ; 2010. - 64 leaves Undergraduate Thesis (BSCE) - Civil Engineering Subjects--Topical Terms: Water-supply--Management.