The van Hiele model of thinking in geometry among adolescentsDavid J. Fuys · First published 1988Open the Tome
English translation of selected writings of Dina van Hiele-Geldof and Pierre M. van HieleDina van Hiele-Geldof, David J. Fuys, Dorothy Geddes, Rosamond Welchman Tischler · First published 1984Open the Tome
Instructor's manual to accompany Teaching mathematics in the elementary schoolDavid J. Fuys, Rosamond Welchman-Tischler · First published 1979Open the Tome
