Information available on the website of the Office for International Cooperation (DGECI) of UNAM.
1) Check the institutions that have an agreement with UNAM, organized by continent.
Go to this link and look for the section"Dónde estudiar" (Where to study): https://www.unaminternacional.unam.mx/es/movilidad/estudiantil
2) Check Opportunities and External Calls for mobility and internationalization.
Go to this link and check the opportunities received by UNAM and shared through this site: https://www.unaminternacional.unam.mx/oferta-electronica