Cruz Acevedo AA, García-García J. Mathematical connections promoted in telebachillerato textbooks about slope concept. IE Revista de Investigación Educativa de la REDIECH [Internet]. 2023Aug.17 [cited 2025Aug.30];14:e1825. Available from: https://mail.rediech.org/ojs/2017/index.php/ie_rie_rediech/article/view/1825