Cruz Acevedo, Alan Andrés, and Javier García-García. “Mathematical Connections Promoted in Telebachillerato Textbooks about Slope Concept”. IE Revista de Investigación Educativa de la REDIECH 14 (August 17, 2023): e1825. Accessed August 30, 2025. https://mail.rediech.org/ojs/2017/index.php/ie_rie_rediech/article/view/1825.