000 00293nam a2200145Ia 4500
100 _aKhanna/O.P
942 _cBK
654 _awork study
245 _aWork Study
260 _bDhanpat and Sons
_aDelhi
_c1992
082 _a658.542
_bKHA
300 _a327
546 _aENGLISH
999 _c20405
_d20405