TY  - BOOK
AU  - Ramos, Jesus N. 
TI  - Incidence of lead in Cerithiidae sp. in Gaang river (downstream) Currimao, Ilocos Norte 
PY  - 2004///
N1  - Thesis (BS Environmental Science) -- Mariano Marcos State University-College of Agriculture, Food & Sustainable Development-Batac City; Bibliography: leaf 17
ER  -