TY  - BOOK
AU  - Guido, Ryan Manuel D.
TI  - Fundamentals of environmental science
SN  - 9710412983
AV  - GE 105  .G948 2015
U1  - FIL 363.7 
PY  - 2015///
CY  - Mandaluyong CIty
PB  - Books Atbp.
N1  - Includes bibliographical references; 1210L-1700L
ER  -