1. AAAS (American Association for the Advancement of Science). (1993). Benchmarks for science literacy. New York Oxford: Oxford University Press.
2. Ares, N., Stroup, W. M., & Schademan, A. R. (2009). The power of mediating artifacts in group-level development of mathematical discourses. Cognition and Instruction, 27(1), 1–24.
3. Blauberg, J. X., Sadovsky, V. N., & Yudin, E. G. (1977). Systems theory: Philosophical and methodological problems. Moscow: Progress Publishers.
4. Borovoy, R., McDonald, M., Martin, F., & Resnick, M. (1996). Things that blink: Computationally augmented name tags. IBM Systems Journal, 35(3), 488–495.
5. Boyer, C. (1959). The history of the calculus and its conceptual development (2nd ed.). Mineola: Dover Publications.