Borg, W. R., Gall, J. P., & Gall, M. D. (1993). Applying educational research: A practical guide (Third edition.). Longman.
Cita Chicago Style (17a ed.)Borg, Walter R., Joyce P. Gall, y Meredith D. Gall. Applying Educational Research: A Practical Guide. Third edition. New York: Longman, 1993.
Cita MLA (8a ed.)Borg, Walter R., et al. Applying Educational Research: A Practical Guide. Third edition. Longman, 1993.
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