TY  - GEN
AU  - Butterworth ,John
TI  - Thinking Skills
SN  - 0521696364
U1  - 153.42,BUT 
PY  - 2005///
CY  - New York
PB  - Cambridge
KW  - Thinking Skills
N1  - Part-1: Critical Thinking (Page-9), Part-2: Problem Solving (Page-181)
ER  -