CARMONA-RAMÍ­REZ, Luis Hernando; BEDOYA-SERRANO, Jorge Luis. AN INTERCULTURAL TECHNOLOGICAL ELEMENT FOR THE LEARNING OF PROPORTIONALITY IN A RESERVATION OF THE EMBERí-CHAMí-COLOMBIAN ETHNIC GROUP. Ethnomathematics Journal, [S. l.], v. 4, n. 2, p. 87–102, 2023. DOI: 10.21831/ej.v4i2.60455. Disponível em: https://journal.uny.ac.id/index.php/ethnomath/article/view/60455. Acesso em: 10 may. 2025.