Gay, L.R
Educational research : competencies for analysis and application L.R. Gay - 3rd ed. - New York: Merrill, 1990. - xx, 569p.
Includes index
Eng
0-02-946117-0
Educational research
370.78 / GAE
Educational research : competencies for analysis and application L.R. Gay - 3rd ed. - New York: Merrill, 1990. - xx, 569p.
Includes index
Eng
0-02-946117-0
Educational research
370.78 / GAE