TY  - GEN
AU  - Cofer, Charles Norval.
TI  - Motivation: theory and research 
U1  - 153.8 C674 
PY  - 1964///
CY  - New York
PB  - John Wiley & Sons
KW  - Appley, Mortimer H. (Mortimer Herbert)
KW  - Motivación (Psicología)
ER  -