By Conradie Jurie   in Quaestiones Mathematicae

ISSN:1727-933X|28|3|287-304

Taylor & Francis Ltd‎(2005)‎

Access to resources Favorite 24.424154

By Conradie Jurie   Frith John   in Educational Studies in Mathematics

ISSN:0013-1954|42|3|225-235

Springer Publishing Company ‎(2000)‎

Access to resources Favorite 19.539324