00329nam a2200121 a 450000500170000000800410001702000150005804100080007310000170008124500670009826400310016530000110019620260717072138.0260701s1982    ii            000 0 eng d  a0582650259  aeng1 aAdams, M. E.10aAgricultural extension in developing countries /cAdams, M. E. 1aHarlow, :bLongman,c1982.  a108 p.