1 หนังสืออิเล็กทรอนิกส์โดย J.R. Olson
Bela H. Banathy & J.R. Olson: Comprehensive Systems Design: A New Educational Technology
Educational technology in the broadest sense is knowledgeand competence forimproving the educational process: forusing hardware (equipment), software (methods), and"underware" (underlying …
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