TY  - BOOK
AU  - Tumamao, Shane Rafael A. 
TI  - Environmental impact assessment of quarrying along the Padsan river in San Isidro, Sarrat, Ilocos Norte 
PY  - 2010///
N1  - Thesis (BS Environmental Science) -- Mariano Marcos State University-College of Agriculture, Food and Sustainable Development, Batac City; Bibliography: leaf 31
ER  -