TY  - BOOK
AU  - Cofer, C. N. and Appley, M. H.
TI  - Motivation: : theory and research
SN  - 0852268998
U1  - 153.1534 
PY  - 1980///
CY  - Calcutta
PB  - ; Wiley Eastern Limited
KW  - Motivation
KW  - Psychology
ER  -