000 00311nam a2200133Ia 4500
008 220201s1999 xx 000 0 eng d
082 _a621.384
_bDAL
100 _aDalal,Shriom
245 0 _aUnderstanding communication
250 _a2nd
260 _adelhi
_bDhanpat Rai
_c1999
300 _a187
942 _2ddc
999 _c36294
_d36294