000 00273nam a2200121Ia 4500
008 180721s9999 xx 000 0 und d
100 _aS.V. SUPE
245 3 _aAN INTRODUCTION TO EXTENSION EDUCATION
260 _bNil
260 _c1998
365 _b69.00
942 _cBK
999 _c163015
_d163015