Preservice teachers designing mathematical tasks on patterns: context, cognitive demand and skills: Preservice teachers designing mathematical tasks on patterns: contextual, cognitive and modeling characteristics. Uniciencia [Internet]. 2023 Jan. 1 [cited 2024 Apr. 29];37(1):1-20. Available from: https://www.revistas.una.ac.cr/index.php/uniciencia/article/view/16801