Madrid, Ana Esther, Silvia M. Valenzuela-Ruiz, Carmen Batanero Bernabeu, and José A. Garzón-Guerrero. “University students’ Understanding of Median”. Advances of Research in Mathematics Education, no. 22 (October 31, 2022): 1–21. Accessed August 23, 2026. https://aiem.es/aiem/article/view/v22-madrid-valenzuela-batanero-etal.