Salcedo A, Uzcátegui Pacheco RA, Díaz-Levicoy D. Fundamental statistical ideas in Math textbooks for elementary education in Nicaragua and Venezuela. IE Revista de Investigación Educativa de la REDIECH [Internet]. 2021Oct.11 [cited 2025Aug.30];12:e1210. Available from: https://mail.rediech.org/ojs/2017/index.php/ie_rie_rediech/article/view/1210