TY  - BOOK
TI  - Introduction to environmental science
SN  - 9789718212097
PY  - 2010///
CY  - Valenzuela City
PB  - MEGA-JESTA Prints, Inc.
KW  - Science
KW  - c2010
KW  - Valenzuela City
KW  - Newsprint
KW  - sears
ER  -