Martínez Escoda DCE de la C, Quintero Pupo DCG, Barrios Queipo DCE. Methods and procedures of mathematic self-tuition process for technicians training. Trans [Internet]. 2024 Dec. 31 [cited 2026 Mar. 25];9(2):29-44. Available from: https://transformacion.reduc.edu.cu/index.php/transformacion/article/view/307