Striving for mathematical thinking. - Peter B. Henderson; Doug Baldwin; Venu Dasigi; Marcel Dupras; Jane Fritz; David Ginat; Don Goelman; John Hamer; Lewis E. Hitchner; Will Lloyd; Bill Marion; Charles Riedesel; et al. (ACM SIGCSE Bull., 2001)

Materials development in support of mathematical thinking. - Peter B. Henderson; Lewis E. Hitchner; Jane Fritz; Bill Marion; Christelle Scharff; John Hamer; Charles Riedesel (ACM SIGCSE Bull., 2003)