Παραπομπή APA
Haertel, G. D., & Means, B. (2003). Evaluating educational technology: Effective research designs for improving learning. New York: Teachers College Press.
Παραπομπή Chicago StyleHaertel, Geneva D., and Barbara Means. Evaluating Educational Technology: Effective Research Designs for Improving Learning. New York: Teachers College Press, 2003.
Παραπομπή MLAHaertel, Geneva D., and Barbara Means. Evaluating Educational Technology: Effective Research Designs for Improving Learning. New York: Teachers College Press, 2003.
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