“Counting and Arithmetic of the Inca”. Revista Latinoamericana de Etnomatemática Perspectivas Socioculturales de la Educación Matemática 5, no. 2 (August 1, 2012): 47–65. Accessed January 9, 2026. https://www.revista.etnomatematica.org/index.php/RevLatEm/article/view/45.