TY  - BOOK
AU  - Hollister,George E.
AU  - Gunderson,Agnes G.
TI  - Teaching arithmetic in the primary grades
AV  - QA135 .H68
U1  - 372.7 HOL 
PY  - 1964///]
CY  - Boston
PB  - Heath
KW  - Arithmetic
KW  - Study and teaching (Primary)
N1  - Includes bibliographies
ER  -