Montalván García, M.S. M. , Mola Reyes, D.C.C.E. and Blanco Sánchez, D.C.R. (2024) “The concept of functional limit: teaching needs and challenges”, Transformación, 20(2), pp. 288–304. Available at: https://transformacion.reduc.edu.cu/index.php/transformacion/article/view/378 (Accessed: 20 November 2025).