TY  - BOOK
AU  - Wilson,Guy M.
TI  - Motivation of arithmetic
T2  - Bulletin / Department of the Interior, Bureau of Education
AV  - QA135 .W63
PY  - 1926///
CY  - Washington
PB  - G.P.O.
KW  - Arithmetic
KW  - Study and teaching
KW  - United States
ER  -