000 00303nam a2200133Ia 4500
100 _aGupta, R S
250 _a5th ed
654 _aCommerce and Management
942 _cBK
245 _aWork measurement
260 _aNational Productivity Council, New Delhi
_c1985
082 _a658 NPC
300 _a34
999 _c19382
_d19382