000 | 00655 a2200193 4500 | ||
---|---|---|---|
040 | _aIARI, New Delhi | ||
100 | 1 | _aKnight, A.J. | |
502 | _gSingh, K.N. | ||
245 | 1 | _aStudy of the relative effectiveness of three modes of presentation, Preferences listening and post listening behaviour of farm broadkast listeners | |
300 | _a206p. | ||
650 | _aExtension activities | ||
650 | _aRadio | ||
650 | _aDifffusion of information | ||
650 | _aInformation technology | ||
650 | _aAudio-visual aids | ||
502 |
_cIARI, Division of Agricultural Extension, New Delhi _bPh.D. _d1974 |
||
942 |
_2udc _cT |
||
901 | _aT2546 | ||
999 |
_c140165 _d140165 |