TY  - BOOK
TI  - Heograpiya ng daigdig
SN  - 971-150-081-7
PY  - 1990///
CY  - Quezon City
PB  - Katha Pub
KW  - Geography
KW  - Study and teaching
KW  - Maps
KW  - Philippines
N1  - Includes bibliography
ER  -