TY  - BOOK
AU  - Craig,Robert C.
TI  - The psychology of learning in the classroom
AV  - LB1059 .C84
U1  - 370.152.3 CRA 
PY  - 1966///]
CY  - New York
PB  - Macmillan
KW  - Learning, Psychology of
KW  - Reinforcement (Psychology)
N1  - Bibliography: p. 83-85
ER  -