TY  - BOOK
AU  - Belen,Venus Mendoza
TI  - Effective study and thinking skills / 
SN  - 971-42-0399-6
U1  - Fil 372.302 Ef36 2004  
PY  - 2003///
CY  - Bulacan
PB  - Trinitas Publishing, 
N1  - 300-399
ER  -