000 00304nam a2200133Ia 4500
008 230108s9999 xx 000 0 und d
100 _aSingh UK & Nayak AK
245 0 _aExtension Education
260 _bCommon wealth
260 _c2004
365 _b350.00
650 _aExtension
942 _cBK
999 _c249080
_d249080