The child's conception of physical causality,

Piaget, Jean, 1896-

The child's conception of physical causality, by Jean Piaget. - London, New York, K. Paul, Trench, Trubner & co. ltd.; Harcourt, Brace & company, 1930. - viii, 309 p. illus. 23 cm. - International library of psychology, philosophy, and scientific method .

"Translated by Marjorie Gabain."

30017187 //r832


Child psychology.

BF721 / .P43

136.72