Criteria for the selection and use of visuals in instruction a workbook - Gropper, George Leonard; Glasgow, Zita; Klingensmith, Jean (Englewood Cliffs, N.J. Educational Technology Publications, 1971)
'Prepared by the American Institutes for Research, Pittsburgh, Pennsylvania for the Bureau of Naval Personnel under contract no. N00022-68-C-0106.'
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Keywords: Visual education -- Programmed instruction