TY  - BOOK
AU  - Castillo, Le Gilian G. 
TI  - Biomonitoring of toxic elements pollution using roadside vegetation along the National highway of District I, Ilocos Norte 
PY  - 2017///
N1  - Thesis (Bachelor of Science in Biology)  -- Mariano Marcos State University - College of Arts and Sciences, City of Batac; Bibliography:  leaves 45-48
ER  -