000 00298nam a2200133Ia 4500
008 161018s9999 xx 000 0 und d
020 _a
100 _aKhanna.O.P
_91750
245 _aWork Study Motion And & Time Study
250 _a1Ed
260 _bDhanpat Rai
300 _bRs:95
490 _a9715
999 _c9715
_d9715