000 00302nam a2200133Ia 4500
008 230108s9999 xx 000 0 und d
100 _aYadav JS
245 0 _aEvaluation of Agricultural Extension
260 _bConcept
260 _c1992
365 _b160.00
650 _aExtension
942 _cBK
999 _c240046
_d240046