(1993)
International Journal of Computers for Mathematical Learning, Vol. 1, No. 1., pp. 95-123.
SIGCUE Outlook, Vol. 4, No. 2. (1970), pp. 13-17.
The Journal of the Learning Sciences, Vol. 6 (1997), pp. 401-408.
International Journal of Continuing Engineering Education and Life-Long Learning (IJCEELL) (submitted)
Vol. 2 (1993), pp. 41-48.
Vol. 1 (12-17 July 1998), pp. 180-195.
Interactions, Vol. 3, No. 6. (1996)
(2002), pp. 79-85.
(1999), pp. 310-317.
(January 1970)
Communications of the ACM, Vol. 36, No. 7. (1993)
(1991)
(1991), pp. 449-465.
(1991), pp. 417-445.
(1991), pp. 391-416.
(1991), pp. 379-390.
(1991), pp. 367-378.
(1991), pp. 335-364.
(1991), pp. 311-334.
(1991), pp. 295-310.
(1991), pp. 269-294.
(1991), pp. 235-268.
(1991), pp. 215-234.
(1991), pp. 205-214.
(1991), pp. 161-192.
(1991), pp. 151-158.
(1991), pp. 141-150.
(1991), pp. 85-110.
(1991), pp. 41-84.
(1991), pp. 29-37.
(1991), pp. 13-28.
(2004)
International Journal of Mathematics Education and Science Technology (1972)
This paper was published in Journal of Mathematical Behavior, Vol. 14, No. 2. (1995)
(01 January 1991)
Interactive Learning Environments, Vol. 1 (1990)
Journal of Mathematical Behavior, Vol. 9 (1990), pp. 3-93.
(30 June 1996)
Journal of Computer Assisted Learning (in press)
(2001)
(2001), pp. 267-281.
(2002)
Vol. 3 (2001), pp. 49-56.
International Journal of Continuing Engineering Education and Lifelong Learning, Vol. 12 (2002), pp. 521-540.
Education, Communi