1. Alexander, M. (1996). College Algebra in an open classroom connecting teachers and technology. In: Electronic proceedings of the ninth annual international conference on technology in collegiate mathematics. http://archives.math.utk.edu/ICTCM/VOL09/C024/paper.pdf. Accessed 12.11.09.
2. Alexander, M. (1998). Interactive computer software in college algebra. In: Electronic proceedings of the eleventh annual international conference on technology in collegiate mathematics. http://archives.math.utk.edu/ICTCM/VOL11/C001/paper.pdf. Accessed 12.11.09.
3. Learning mathematics in a CAS environment: the genesis of a reflection about instrumentation and the dialectics between technical and conceptual work;Artigue;International Journal of Computers for Mathematical Learning,2002
4. Avioli, J. J. (1994). MapleCalc. In: Electronic proceedings of the seventh annual international conference on technology in collegiate mathematics. http://archives.math.utk.edu/ICTCM/VOL07/C016/paper.txt. Accessed 12.11.09.
5. Barton, S. (1995). Reluctant reformers’ instructional practice and conceptions of teaching Calculus when using supercalculators. In: Electronic proceedings of the eighth annual international conference on technology in collegiate mathematics. http://archives.math.utk.edu/ICTCM/VOL08/C007/paper.pdf. Accessed 12.11.09.