000 00298nam a2200133Ia 4500
008 230108s9999 xx 000 0 und d
100 _aSupe SV
245 2 _aA Textbook of Extension Education
260 _bAgrotech
260 _c2012
365 _b800.00
650 _aExtension
942 _cBK
999 _c251905
_d251905