TY  - BOOK
AU  - Gates, Arthur I. & et.al
AU  - Jersild, Arthur T.
AU  - McConnell, T. R. 
TI  - Educational psychology
U1  - 370.15 
PY  - 1948///
CY  - New York 
PB  - Macmillan company 
KW  - Education
ER  -