TY  - BOOK
AU  - Unday, Joel E. 
AU  - Branzuela, Shirty O. 
AU  - Dalisay, Jill B. 
AU  - Aromin, Mayette L. 
TI  - Introduction to environmental science
SN  - 978-971-0167-06-7
U1  - Fil. 333.7 In61 2012 
PY  - 2012///
CY  - Quezon City
PB  - MaxCor Publishing House
KW  - Environmental sciences
KW  - Environmental protection
N1  - Includes bibliographical reference
ER  -