García Alonso I, Sosa-Martín D, Trujillo-González R. Assessing sustainability competencies present in class proposals developed by prospective mathematics teachers. AIEM [Internet]. 2023 Apr. 28 [cited 2026 Jul. 21];(23):61-83. Available from: https://aiem.es/aiem/article/view/v23-garcia-sosa-trujillo