How to Design and Evaluate Research in Education vol.1
Fraenkel, Jack R.
How to Design and Evaluate Research in Education vol.1 Jack R. Fraenkel - 2nd ed. - New York: McGraw- Hill, Inc., 1994. - 571 p.
(pbk.)
How to Design and Evaluate Research in Education vol.1 Jack R. Fraenkel - 2nd ed. - New York: McGraw- Hill, Inc., 1994. - 571 p.
(pbk.)
