TY  - BOOK
AU  - Ongoco, Tomas C.
AU  - Alvarez, Cecile Guidote, jt. a.
TI  - Kapaligiran at kaunlaran
SN  - 9719181109
PY  - 1996///
CY  - [ Manila ]
PB  - ABBI Print Hauz
KW  - Ecology
ER  -