Educational research :
Wallen, Norman E.
Educational research : a guide to the process / Norman E. Wallen, Jack R. Fraenkel. - New York : McGraw-Hill, c1991. - xv, 363 p. : ill. ; 28 cm.
Includes bibliographical references and index.
0070679452
90039865
Education--Research.
LB1028 / .W275 1991
Educational research : a guide to the process / Norman E. Wallen, Jack R. Fraenkel. - New York : McGraw-Hill, c1991. - xv, 363 p. : ill. ; 28 cm.
Includes bibliographical references and index.
0070679452
90039865
Education--Research.
LB1028 / .W275 1991