000 00293nam a2200133Ia 4500
100 _aRayudu, C. S.
020 _a81-7493-312-1
250 _a1st ed
942 _cBK
245 _aCommunication
260 _aHimalaya Publishing House, Mumbai
_c1997
082 _a651.7 Ray
300 _axv,1697
999 _c25599
_d25599