Fraenkel, J. R., & Wallen, N. E. (2008). How to design and evaluate research in education (7th ed.). McGraw-Hill.
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Citación estilo Chicago
Fraenkel, Jack R., and Norman E. Wallen. How to Design and Evaluate Research in Education. 7th ed. New York: McGraw-Hill, 2008.
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Cita MLA
Fraenkel, Jack R., and Norman E. Wallen. How to Design and Evaluate Research in Education. 7th ed. McGraw-Hill, 2008.
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