182605 Borg, W. R., & Gall, M. D. (1989). Educational research: An introduction. New York : Longman.
Chicago Style (17th ed.) Citation182605 Borg, Walter R., and Meredith D. Gall. Educational Research: An Introduction. New York : Longman, 1989.
MLA (9th ed.) Citation182605 Borg, Walter R., and Meredith D. Gall. Educational Research: An Introduction. New York : Longman, 1989.
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