TY  - BOOK
AU  - Pascua, Jackie E. 
TI  - Anthropogenic activities and water quality assessment in Davila falls, Pasuquin Ilocos Norte
PY  - 2004///
N1  - Thesis (BS Environmental Science) -- Mariano Marcos State University-College of Agriculture, Food & Sustainable Development, Batac City; Bibliography: leaf 38
ER  -