TY  - SER
TI  - The Psychology of learning and motivation : : advances in research and theory / 
SN  - 125433034
U1  - 152.5 
PY  - 1969///
CY  - New York : 
PB  - Academic Press, 
KW  - Motivation (Psychology)
KW  - Periodicals
KW  - Learning, Psychology of
KW  - Learning
KW  - Motivation
N1  -  "Advances in research and theory.";  Some vols. have also distinctive titles
ER  -