00583nas 2200169z- 450 991069381450332120170227170249.0(CKB)3390000000046605(EXLCZ)99339000000004660520140126cuuuuuuuu -u- -engEducational and training opportunities in sustainable agriculture / Alternative Farming Systems Information CenterNational Agricultural LibraryJOURNAL9910693814503321Educational and training opportunities in sustainable agriculture3184992UNINA