Sánchez-Matamoros García, Gloria, Mar Moreno Moreno, Patricia Pérez Tyteca, and María Luz Callejo de la Vega. “A Learning Pathway of Length and Its Measurement As a Conceptual Instrument Used by Future Teachers”. Revista Latinoamericana de Investigación en Matemática Educativa 21, no. 2 (June 25, 2018). Accessed October 9, 2026. https://relime.org/index.php/relime/article/view/15.