000 00373nam a2200121Ia 4500
008 180413s9999 xx 000 0 und d
020 _a(Pbk)
100 _aWorld Bank Agriculture And Rural Development Department
245 0 _aAgricultural Extension The Next Step
260 _bWashington : The Bank 1990.
546 _aEng
690 _aAgricultural Extension ; Agriculture.
999 _c19530
_d19530