Criteria for the selection and use of visuals in instruction a handbook
Príomhchruthaitheoir: | |
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Rannpháirtithe: | |
Formáid: | LEABHAR |
Teanga: | English |
Foilsithe / Cruthaithe: |
Englewood Cliffs, NJ
Educational Technology
c1971.
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Ábhair: |