000 00294nam a2200121Ia 4500
100 _aSharma, H. D.
020 _a81-204-0274-X
942 _cBK
245 _aTextbook of work study
260 _aOxford & IBH publishing co. pvt. ltd, New Delhi
_c1988
082 _a658.542 Sha
300 _axi,303
999 _c60902
_d60902