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Use of varying resistance and motivational cues in developing upper body dynamic muscular endurance on developmentally disabled individuals
M. Dean Betts · Yayınevi bilinmiyor
164 sayfa · 1983
Muscle strength / Motivation (Psychology) / Physical education for people with disabilities
Exploring the construction industry
M. Roger Betts, A. Dean Hauenstein · McKnight Pub. Co.
582 sayfa · 1976
Building trades / Vocational guidance / Construction industry