New Notebooks on Educational Research, vol. 22, 2
Thejournal Nouveaux cahiers de la recherche en éducation has publisheda special issue entitled "The development of algebraic thinking before the introduction of conventional algebraic language," edited by Alain Bronner (University of Montpellier) and Hassane Squalli (University of Sherbrooke). This publication is available at the following address:
https://www.erudit.org/fr/revues/ncre/2020-v22-n1-ncre05349/