"ausubel, david p. "
theory and problems of child development: / david.p. ausubel - 2 ed. - usa : grune & stratton 1958. - "xiv, 649p.; 23 cm."
includes bibliography
hard cover
BF721 / .A97 1958
155. 4 aus
theory and problems of child development: / david.p. ausubel - 2 ed. - usa : grune & stratton 1958. - "xiv, 649p.; 23 cm."
includes bibliography
hard cover
BF721 / .A97 1958
155. 4 aus