This is a tentative bibliographical list:
Arcavi, A. (1994). Symbol sense: informal sense-making in formal mathematics. For the Learning of Mathematics 14, 24?35.
Arcavi, A., Drijvers, P., & Stacey, K. (2016). The learning and teaching of algebra: Ideas, insights and activities. Routledge.
Clement, J. (1982). Algebra word problem solutions: Thought processes underlying a common misconception. Journal for Research in Mathematics Education, 13(1). 16-30.
Cooper, J., & Pinto, A. (2017). Mathematical and pedagogical perspectives on warranting: approximating the root of 18. For the Learning of Mathematics, 37(2), 8-13.
Ellis, A. B., & Özgür, Z. (2024). Trends, insights, and developments in research on the teaching and learning of algebra. ZDM–Mathematics Education, 56(2), 199–210. https://doi.org/10.1007/s11858-023-01545-9
Friedlander, A., & Arcavi, A. (2012). Practicing algebraic skills: A conceptual approach. Mathematics teacher, 105(8), 608–614.
Harper, E. (1987). Ghosts of Diophantus. Educational Studies in Mathematics, 18, 75-90.
Palatnik, A., & Koichu, B. (2017). Sense making in the context of algebraic activities. Educational Studies in Mathematics, 95, 245–262. . https://doi.org/10.1007/s10649-016-9744-1
Sfard, A., & Linchevski, L. (1994). The gains and the pitfalls of reification—the case of algebra. Educational studies in mathematics, 26, 191–228. https://doi.org/10.1007/BF01273663
Tabach, M., & Friedlander, A. (2017). Algebraic procedures and creative thinking. ZDM, 49, 53–63. https://doi.org/10.1007/s11858-016-0803-y
Tirosh, D., Even, R., & Robinson, N. (1998). Simplifying algebraic expressions: Teacher awareness and teaching approaches. Educational Studies in Mathematics, 35, 51-64.
Usiskin, Z. (1988). Conceptions of school algebra and uses of variables. In A. F. Coxford (Ed.), The ideas of algebra, K-12 (pp. 8-19). Reston, VA: National Council of Teachers of Mathematics.
Vinner, S., & Dreyfus, T. (1989). Images and definitions for the concept of function. Journal for Research in Mathematics Education, 20, 356-366.
Yerushalmy, M. (2005). Challenging known transitions: learning and teaching algebra with technology, For the Learning of Mathematics, 25(3), 37-42.