TY  - BOOK
AU  - Acio, Beya T. 
TI  - Water quality assessment of Baldi river, Pasuquin, Ilocos Norte
PY  - 2006///
N1  - Thesis (BS Environmental Science) -- Mariano Marcos State University-College of Agriculture, Food and Sustainable Development, Batac City; Bibliography: leaves 51-52
ER  -