Fraenkel, Jack R.
How to design and evaluate research in education / Jack R. Fraenkel, Norman E. Wallen and Helen H. Hyun. - 8th ed. - New York: McGraw Hill, 2013. - xxviii, 642p. ill.
Includes index.
9789814581042
370.72 / F799 2013 c.1
How to design and evaluate research in education / Jack R. Fraenkel, Norman E. Wallen and Helen H. Hyun. - 8th ed. - New York: McGraw Hill, 2013. - xxviii, 642p. ill.
Includes index.
9789814581042
370.72 / F799 2013 c.1