00512nam a22001937a 4500 NUST-PNEC 20170116180742.0 141223b xxu||||| |||| 00| 0 eng d 8129700875 PNEC 4th 153.8 BEC 1144 Beck Robert C Motivation theories & principles robert C Beck Dehli pearson Education c.2003 xvi, 477 p. : ill. ; 23 cm. Includes index. General ddc BK 62217 62217 0 0 ddc 0 0 PNEC PNEC WING-A 2005-03-26 NUST Recurring A/c 612.00 0 153.8 BEC PNECLIB-027098 2014-12-23 612.00 2005-03-26 BK