Studies in technology and social change
Iowa State University Research Foundation
by Oluwayomi David Atteh
Iowa State University Research Foundation c1992 Studies in technology and social change , Technology and social change program, Iowa State University publication series
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edited by Richard E. Leakey and L. Jan Slikkerveer
c1991 Studies in technology and social change No.19 , Technology and social change program, Iowa State University publication series
edited by D. Michael Warren, L. Jan Slikkerveer, S. Oguntunji Titilola
Technology and Social Change Program, Iowa State University , Academy for Educational Development c1989 Studies in technology and social change no. 11