TY  - BOOK
AU  - Gropper,George Leonard
AU  - Glasgow,Zita
TI  - Criteria for the selection and use of visuals in instruction: a handbook
SN  - 0877780218
PY  - 1971///
CY  - Englewood Cliffs, N.J.
PB  - Educational Technology Publications
KW  - Visual education
KW  - Programmed instruction
N1  - 'Prepared by the American Institutes for Research, Pittsburgh, Pennsylvania for the Bureau of Naval Personnel under contract no. N00022-68-C-0106.'; Accompanied by'A workbook by George L. Gropper, Zita Glasgow and Jean Klingensmith' (1 v. (various pagings)  28 cm.) published: Englewood Cliffs, N.J., Educational Technology Publications 1971
ER  -