Criteria for the selection and use of visuals in instruction a workbook
Gropper, George Leonard
Criteria for the selection and use of visuals in instruction a workbook George L. Gropper, Zita Glasgow and Jean Klingensmith - Englewood Cliffs, N.J. Educational Technology Publications 1971 - 1 v. (various pagings); 28 cm.
'Prepared by the American Institutes for Research, Pittsburgh, Pennsylvania for the Bureau of Naval Personnel under contract no. N00022-68-C-0106.'
Visual education--Programmed instruction
Criteria for the selection and use of visuals in instruction a workbook George L. Gropper, Zita Glasgow and Jean Klingensmith - Englewood Cliffs, N.J. Educational Technology Publications 1971 - 1 v. (various pagings); 28 cm.
'Prepared by the American Institutes for Research, Pittsburgh, Pennsylvania for the Bureau of Naval Personnel under contract no. N00022-68-C-0106.'
Visual education--Programmed instruction