Educational Studies in Mathematics, Vol. 22, No. 1. (1991), pp. 411-437.
(1988), pp. 119-140.
(2003)
(2002), pp. 127-142.
The Mathematics Educator, Vol. 11, No. 1. (2001)
Vol. 2 (1993), pp. 41-48.
(2005)
(1997), pp. 133-158.
(2004)
Journal of Mathematical Behavior, Vol. 15 (1996), pp. 167-192.
Educational Studies in Mathematics, Vol. 26 (1994), pp. 135-164.
Educational Studies in Mathematics, Vol. 42, No. 3. (2000), pp. 237-268.
Educational Studies in Mathematics, Vol. 60, No. 3. (November 2005), pp. 269-295.
(2002)
Educational Studies in Mathematics, Vol. 60, No. 1. (September 2005), pp. 71-93.
(1996), pp. 65-86.
Vol. 1 (1999), pp. 177-182.
(1999)
Canadian Journal of Science, Mathematics and Technology Education (2002b)
Educational Studies in Mathematics, Vol. 49 (2002), pp. 379-402.
Educational Studies in Mathematics, Vol. 22 (1991), pp. 1-36.
(2003)
(2005)
(2005)
(2005)
Vol. 1 (1993), pp. 138-145.
Vol. 89 (1991)
Educational Studies in Mathematics, Vol. 58, No. 1. (2005)
Educational Studies in Mathematics, Vol. 57, No. 1. (2004)
Vol. 1 (2003), pp. 12-18.
Educational Studies in Mathematics, Vol. 45 (2001)