TY  - BOOK
AU  - Dutton,Wilbur H.
TI  - Evaluating pupils' understanding of arithmetic
AV  - QA135 .D96
U1  - 372.7 
PY  - 1964///]
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Arithmetic
KW  - Study and teaching
KW  - Local
N1  - Bibliography: p. 115-121
ER  -