TY  - BOOK
AU  - Howard, V.A.
TI  - Varieties of thinking
SN  - 0415900859
U1  - 370.152 
PY  - 1990///
CY  - New York
PB  - Cambridge University Press.
KW  - Thought and thinking
KW  - Study and teaching
KW  - Cognition in children
N1  - 000066; CH 066
ER  -