Davidson-Shivers, G. V. (2006). Web-based learning: Design, implementation, and evaluation. New Jersey: Pearson Prentice Hall.
Παραπομπή Chicago StyleDavidson-Shivers, Gayle V. Web-based Learning: Design, Implementation, and Evaluation. New Jersey: Pearson Prentice Hall, 2006.
Παραπομπή MLADavidson-Shivers, Gayle V. Web-based Learning: Design, Implementation, and Evaluation. New Jersey: Pearson Prentice Hall, 2006.
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