TY  - BOOK
AU  - Lastica, Ronald D. 
TI  - Incidence of lead among bivalves 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 23
ER  -