TY  - SER
TI  - Learning and motivation
SN  - 0023-9690
PY  - 1970///-
CY  - San Diego [etc.]
PB  - Academic Press
KW  - Learning, Psychology of
KW  - Periodicals
KW  - Motivation (Psychology)
N1  - UKM : 1970-72, 1774-1989
ER  -