TY  - BOOK
ED  - Japanese National Commission for Unesco
TI  - Guidebook for the teaching of arithmetic in elementary schools in Japan
U1  - 372.720952 23
PY  - 1972///].
CY  - [Tokyo]: 
PB  - [Japanese National Commission for Unesco], 
KW  - Arithmetic
KW  - Study and teaching (Elementary)
KW  - Japan
ER  -