TY  - BOOK
AU  - Sadler,John Edward
ED  - George Allen & Unwin
TI  - Concepts in primary education
SN  - 0043700551
U1  - 372.13 23
PY  - 1974///.
CY  - London: 
PB  - Allen and Unwin, 
KW  - Education, Primary
N1  - Includes index
ER  -