000 00295nam a2200121Ia 4500
008 220201s2006 xx 000 0 eng d
082 _bGUP
100 _aGupta, S.M
245 0 _aEffective communicaton technologists-1
260 _aDelhi
_bSatya prakashan
_c2006
300 _a239
942 _2ddc
999 _c29025
_d29025