TY  - BOOK
AU  - Dulloog, Marvin Aries I. 
TI  - Evaluation of sanitation practices and hazardous wastes disposal of bus operators in laoag city 
PY  - 2007///
N1  - Thesis (BS Environmental Science) -- Mariano Marcos State University-College of Arts and Sciences, Batac City; Bibliography: leaf 37
ER  -