00583nas 2200169z- 450 991013326430332120170227170249.0(CKB)3390000000046605(EXLCZ)99339000000004660520140126cuuuuuuuu -u- -engEducational and training opportunities in sustainable agriculture / Alternative Farming Systems Information CenterNational Agricultural LibraryJOURNAL9910133264303321Educational and training opportunities in sustainable agriculture2093901UNINA