TY  - BOOK
AU  - Religioso,Teresita F.
AU  - Vengco,Lilia G.
TI  - Discovering earth and the solar system
SN  - 9717910413
U1  - 525 
PY  - 1999///
CY  - Quezon City
PB  - SIBS Publishing
KW  - Earth
KW  - Solar system
ER  -