TY  - BOOK
ED  - Conference on Pre-school Education
ED  - Conference on Pre-school Education
ED  - Conference on Pre-school Education
TI  - Early education; current theory, research, and action
AV  - LB1140 .C63 1966
U1  - 372.21/08 
PY  - 1968///]
CY  - Chicago
PB  - Aldine Pub. Co.
N1  - Includes indexes; Bibliography : p. 231-262
ER  -