000 00246nam a2200121Ia 4500
100 _aKHANNA O.P.
650 _aPRODUCTION
942 _cBK
245 _aWork Study
260 _bDhanpat Rai
_aNew Delhi
_c2003
300 _a327
546 _aENGLISH
999 _c20404
_d20404