TY  - BOOK
AU  - Skinner,Charles E.
TI  - Educational psychology
SN  - 9788120303027
AV  - LB1051 .S58 1959
U1  - 370.15 
PY  - 1959///
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Educational psychology
ER  -