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A Study of the Effectiveness of Four Instructional Techniques of Teaching ARC Welding at the University LevelChrisman, Joseph P., 1934- 01 1900 (has links)
The problem was to study the effectiveness of four instructional techniques of teaching arc welding at the university level.
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An experimental comparison of the demonstration-performance method versus videotape recording for teaching selected welding skills /Parks, Thomas Andrew January 1973 (has links)
No description available.
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