TY  - BOOK
AU  - Robert C. Beck
TI  - Motivation : Theories and principles. Ed 4
SN  - 81-297-0087-5
U1  - 153.8 
PY  - 2003///
CY  - Delhi
PB  - Pearson Education
N1  - Robert C. Beck: Motivation : Theories and principles. Ed 4.  (4th Edition.)  Delhi.  Pearson Education, 2003. 81-297-0087-5--(153.8BEC)
ER  -