Fraenkel, Jack R.
How to design and evaluate research Jack R. Fraenkel and Norman E. Wallen - 2nd ed. - New York: McGraw-Hill, 1993. - xix, 571p.
includes bibliography and index
Eng
Education-Research-Methodology
370.72 / FRH
How to design and evaluate research Jack R. Fraenkel and Norman E. Wallen - 2nd ed. - New York: McGraw-Hill, 1993. - xix, 571p.
includes bibliography and index
Eng
Education-Research-Methodology
370.72 / FRH