TY  - BOOK
AU  - Tewari, Amba Datt
TI  - Reasoning abilities and achievements in mathematics
SN  - 817169070X
U1  - 510 TEW 
PY  - 1990///
CY  - New Delhi
PB  - Commanwealth Publishers
KW  - Mathematics--Study and teaching (Secondary)--Psychological aspects
KW  - General
ER  -