PIAGET, Jean Inhelder, Barbel Szeminska, alina
The child's conception of geometry / by Jean Piaget, Barbel Inhelder, Alina Szeminska; translated - New York Basic Books Inc. 1970 - 411 p.
Includes index.
70197
Educational psychology
370.15 / PIA
The child's conception of geometry / by Jean Piaget, Barbel Inhelder, Alina Szeminska; translated - New York Basic Books Inc. 1970 - 411 p.
Includes index.
70197
Educational psychology
370.15 / PIA