MEXICO IN THE PRE-WAR INTERNATIONAL LABOR CONFERENCES (1937-1939). Tzintzun, Revista de Estudios Históricos, [S. l.], n. 76, p. 271–306, 2022. DOI: 10.35830/treh.vi76.997. Disponível em: http://www.tzintzun.umich.mx/index.php/TZN/article/view/997. Acesso em: 19 mar. 2026.