TY  - BOOK
AU  - Lagda, Rachelle Mae A. 
TI  - Groundwater quality assessment in residential areas of Sarrat, Ilocos Norte
PY  - 2006///
N1  - Thesis (BS Environmental Science) -- Mariano Marcos State University-College of Agriculture, Food and Sustainable Development, Batac City; Bibliography: leaf 44
ER  -