Ruiz de Gauna Gorostiza J, Dávila Balsera P, Etxeberria Murgiondo J, Sarasua Fernández J. The mathematics textbooks of high school in the period 1970-2005. RELIME [Internet]. 2023 Jul. 13 [cited 2026 Oct. 23];16(2):245-76. Available from: https://www.relime.org/index.php/relime/article/view/222