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008 230222s9999 xx 000 0 und d
082 _a621.313
100 _aKhanna O P
245 0 _aWork Study:Time and Motion Study
250 _a1
260 _bDhanpat Rai Publications Pvt Ltd, New Delhi
_c2013
942 _cBK
999 _c24275
_d24275