000 00344nam a2200169Ia 4500
100 _aKHANNA O P
650 _aWork Study
365 _cRS
365 _d1
942 _cPBK
654 _aWork
654 _aStudy
654 _aWork Study
245 _aWork Study
260 _bDhanpat rai and co Pvt Ltd
_c2001
_aNEW DELHI
300 _a327p
999 _c38399
_d38399