https://nuso.org/articulo/lopez-obrador-mexico/
en italiano: https://www.globalproject.info/it/mondi/elezioni-in-messico-el-obradorismo-nel-suo-labirinto/23524
en inglés: https://internationalsocialism.net/elections-in-mexico-obradorismo-in-its-labyrinth/
massimomodonesi.net 