000 00302nam a2200121Ia 4500
008 210310s9999 xx 000 0 und d
040 _crty
100 _aAgarwal,B.C,Joshi,S.R.and Sinha,A
245 0 _aCommunication Research for development;
260 _aNew Delhi
300 _a1986
942 _cTU
999 _c240305
_d240305