TY  - BOOK
AU  - Guzman, Ruth Marian
TI  - Environmental science: toward a sustainable earth. / 
SN  - 9789710742516
U1  - Fil. 363.7 G993e 2018 
PY  - 2018///
CY  - Philippine: 
PB  - Vibal Group Inc.
KW  - 1. Environmental Science
N1  - Includes index
ER  -