Fraenkel. Jack R.
How to design and evaluate research in education / Jack R. Fraenkel, Norman E. Wallen, Helen H. Hyun. - ninth ed. - New York : McGraw-Hill Education, 2015. - xxviii, 639p. : col. ill. ; 32
9781259253928
TR 370.72 F8418h 2015
How to design and evaluate research in education / Jack R. Fraenkel, Norman E. Wallen, Helen H. Hyun. - ninth ed. - New York : McGraw-Hill Education, 2015. - xxviii, 639p. : col. ill. ; 32
9781259253928
TR 370.72 F8418h 2015