000 00281nam a2200133Ia 4500
100 _aDahama, O. P.
365 _b5
942 _cBK
654 _a
245 _aCommunication and extension
260 _aAgra
_bRam Prasad and Sons
_c1973
082 _a630.717
300 _bHb
_a125
999 _c357563
_d357563
041 _aeng