1. Askew, M. (2018). Multiplicative reasoning: Teaching primary pupils in ways that focus on functional relations. The Curriculum Journal, 29(3), 406–423. https://doi.org/10.1080/09585176.2018.1433545
2. Ayan, R. & Isiksal-Bostan, M. (2019) Middle school students’ proportional reasoning in real life contexts in the domain of geometry and measurement. International Journal of Mathematical Education in Science and Technology, 50(1), 65–81. https://doi.org/10.1080/0020739X.2018.1468042
3. Battista, M. T., & Borrow, C. V. A. (1995). A proposed constructive itinerary from iterating composite units to ratio and proportion concepts. In D. Owens, M. Reed & G. Millsaps (Eds.), Proceedings of the Seventeenth Annual Meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education (Vol. 1, pp. 413–420). The ERIC Clearinghouse for Science, Mathematics, and Environmental Education.
4. Bauersfeld, H. (1988). Interaction, construction, and knowledge: Alternative perspectives for mathematics education. In T. Cooney & D. Grouws (Eds.), Perspectives on research on effective mathematics teaching (pp. 27–46). National Council of Teachers of Mathematics.
5. Brenner, M. E. (2002). Chapter 5: Everyday problem solving and curriculum implementation: An invitation to try pizza. Journal for Research in Mathematics Education, Monograph, 11, 63–92. https://doi.org/10.2307/749965