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m roger betts
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Technology Student Organizations, 1989 (Council on Technology Education Yearbook)
M. Roger Betts · Glencoe/Mcgraw-Hill
Sayfa sayısı yok · 1989
Teachers / Training of / Technical education / Ingenieurstudium / Studentenvereinigung
Exploring the construction industry
M. Roger Betts, A. Dean Hauenstein · McKnight Pub. Co.
582 sayfa · 1976
Building trades / Vocational guidance / Construction industry