000 00250nam a2200109Ia 4500
008 200701s1992 xx 000 0 eng d
100 _aKHANNA. O.P
245 0 _aWORK STUDY
260 _bDHANPAT RAI PUBLISHERS
_c1992
300 _a327
942 _2ddc
_cGE
999 _c2968
_d2968