000 00301nam a2200145Ia 4500
100 _aGupta/R.S
490 _vTM9
942 _cBK
654 _awork study
245 _aWork Study
260 _bNational Productivity council
_aNew Delhi
_c1988
300 _a247
546 _aENGLISH
999 _c20406
_d20406