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Conference and Workshop on Non-formal Education and the Rural Poor. 2d., Michigan State University, Michigan State University. Program of Studies in Non-formal Education, Richard O. Niehoff, и Kenneth L. Neff. Report of Conference and Workshop on Non-Formal Education and the Rural Poor. [East Lansing]: Institute for International Studies in Education, College of Education, Michigan State University, 1977.

Conference and Workshop on Non-formal Education and the Rural Poor. 2d., Michigan State University, et al. Report of Conference and Workshop on Non-Formal Education and the Rural Poor. Institute for International Studies in Education, College of Education, Michigan State University, 1977.