"beard, ruth m. "
An outline of piaget`s developmental psychology for students: and teachers/ Ruth.M. Beard - 1 ed. - uk : routledge & kegan paul 1969. - "xvi, 128p.; 18 cm."
includes bibliography
0 7100 6344 x
BF721 / .B33 1969
An outline of piaget`s developmental psychology for students: and teachers/ Ruth.M. Beard - 1 ed. - uk : routledge & kegan paul 1969. - "xvi, 128p.; 18 cm."
includes bibliography
0 7100 6344 x
BF721 / .B33 1969