Educational research :
Johnson, Burke.
Educational research : quantitative, qualitative, and mixed approaches / Burke Johnson, Larry Christensen. - 2nd ed. - Boston : Allyn and Bacon, c2004. - xxvii, 564 p. : il. ; 25 cm.
Incluye referencias bibliográficas e índice.
0205361269
2003052165
Education--Research.
Educación--Investigación.
LB1028 / J65 2004
370/.7/2
Educational research : quantitative, qualitative, and mixed approaches / Burke Johnson, Larry Christensen. - 2nd ed. - Boston : Allyn and Bacon, c2004. - xxvii, 564 p. : il. ; 25 cm.
Incluye referencias bibliográficas e índice.
0205361269
2003052165
Education--Research.
Educación--Investigación.
LB1028 / J65 2004
370/.7/2