“Mapping the Cognitive Competencies of Street Vendors and Bus Conductors: A Cross-Cultural Study of Workplace Mathematics” (2013) Revista Latinoamericana de Etnomatemática, 6(3), p. 7–35. Disponível em: https://www.revista.etnomatematica.org/index.php/RevLatEm/article/view/66 (Acesso em: 12 novembro 2026).