Mathematics Education Research Group of Australasia. Conference, Truran, J., & Truran, K. M. (1999). Making the difference: Proceedings of the Twenty-second Annual Conference of The Mathematics Education Research Group of Australasia Incorporated, held at Adelaide, South Australia, 4-7 July, 1999. Mathematics Education Research Group of Australasia.

Mathematics Education Research Group of Australasia. Conference, John Truran, and Kathleen M. Truran. Making the Difference: Proceedings of the Twenty-second Annual Conference of The Mathematics Education Research Group of Australasia Incorporated, Held at Adelaide, South Australia, 4-7 July, 1999. Sydney, N.S.W.: Mathematics Education Research Group of Australasia, 1999.

Mathematics Education Research Group of Australasia. Conference, et al. Making the Difference: Proceedings of the Twenty-second Annual Conference of The Mathematics Education Research Group of Australasia Incorporated, Held at Adelaide, South Australia, 4-7 July, 1999. Mathematics Education Research Group of Australasia, 1999.