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020 _a81-297-0087-5
041 _aen
082 _a153.8
100 _aBECK, Robert.C.
_96354
245 0 _aMotivation
_bTheories and Principles
250 _a4th
260 _aNew Delhi
_bPearson Education
_c2005
300 _axvi, 477p.
650 _aDefinition Motivation
_96356
650 0 _96355
_aApproaches
942 _cPR
_2ddc