Gall,, Meredith Damien
Educational research : an introduction / Meredith D. Gall, Walter R. Borg, Joyce P. Gall
Educational research : an introduction / Meredith D. Gall, Walter R. Borg, Joyce P. Gall
. - 6th ed
. - New York : Longman, cop. 1996
. - XXII, 788 p. : il. gráficos 25 cm
0-8013-0980-8 Encadernado
37.012