TY  - BOOK
AU  - Guzman,Ruth S.
AU  - Genuino,Ruth Marian Guzman
TI  - Environmental science : : towards a sustainable earth / 
SN  - 9789710742516
U1  - 628 
PY  - 2018///
CY  - Quezon City
PB  - Vibal Group Inc.
KW  - Environmental science.
ER  -