Further aspects of Piaget's work

Holloway, G. E. T
Further aspects of Piaget's work. [Vol.] 1, An introduction to the child's conception of geometry / G.E.T. Holloway. -- 1.publ. -- London : Routledge and Kegan Paul, 1967. -- 10, 71 s.
geometrie. matematická pregramotnost. matematická představivost. monografie
514. [37.015.31:51]-021.67. 159.954.4:51. (048.8)