000 00321nam a22001337a 4500
005 20210323163503.0
008 210323b ||||| |||| 00| 0 eng d
041 _aeng
100 _aSumanth David J
_924119
245 _aProductivity engg and management
260 _aNew Delhi
_bTMH
_c1990
300 _a547
942 _cBK
999 _c61407
_d61407