Fraenkel, J. R., & Wallen, N. E. (2019). How to design and evaluate research in education. McGraw-Hill.
Citación estilo ChicagoFraenkel, Jack R., and Norman E. Wallen. How to Design and Evaluate Research in Education. Boston: McGraw-Hill, 2019.
Cita MLAFraenkel, Jack R., and Norman E. Wallen. How to Design and Evaluate Research in Education. McGraw-Hill, 2019.