Fraenkel, J. R., & Wallen, N. E. (2019). How to design and evaluate research in education. McGraw-Hill.
Chicago Style (17th ed.) CitationFraenkel, Jack R., and Norman E. Wallen. How to Design and Evaluate Research in Education. Boston: McGraw-Hill, 2019.
ציטוט MLAFraenkel, Jack R., and Norman E. Wallen. How to Design and Evaluate Research in Education. McGraw-Hill, 2019.
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