TY  - BOOK
AU  - De Leon, C.G.
AU  - 
ED  - 
ED  - 
ED  - 
ED  - 
TI  - : for college students
SN  - 2
PY  - 0000///46
CY  - Manila
PB  - Sinag-Tala
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
N1  - 5
ER  -