THOMPSON, E. Trade Relations between the Maya Highlands and Lowlands. Estudios de Cultura Maya, México, Mexico, v. 4, 2012. DOI: 10.19130/iifl.ecm.1964.4.229. Disponível em: https://revistas-filologicas.unam.mx/estudios-cultura-maya/index.php/ecm/article/view/229. Acesso em: 4 may. 2024.