Debra Johanning
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Publications
Johanning, D. I. (2010). Designing curricula to expand and extend mathematical knowledge. In B. J. Reys, R. E. Reys, & R. Rubenstein (Eds.), Mathematics curriculum: Issues, trends, and future directions: Seventy-second yearbook (pp. 171–180). Reston, VA: National Council of Teachers of Mathematics.
Steele, D. F., & Johanning, D. I. (2004). A schematic-theoretic view of problem solving and development of algebraic thinking. Educational Studies in Mathematics, 57(1), 65–90. doi:10.1023/B:EDUC.0000047054.90668.f9