FARMER FIELD SCHOOL GUIDANCE DOCUMENT : Planning for quality programmes farmer field schools in Uganda / FOOD AND AGRICULTURE ORGANIZATION OF THE UNITED NATIONS Isubikalu, Prossy, Agricultural extension work 333 FAO 2016 C323 Or. Originally presented as the author's thesis (doctoral - Wageningen) Wageningen : Wageningen Academic Publishers, c2007 c2007 Text 215 p. :