RUIZ SIMÓN, Esther. Historical views of solidarity the twentieth century: Development and international cooperation through Manos Unidas newsletters. HUMAN REVIEW. International Humanities Review / Revista Internacional de Humanidades, [S. l.], v. 15, n. 2, p. 1–8, 2022. DOI: 10.37467/revhuman.v11.4223. Disponível em: https://ojs.bdtopten.com/karim/index.php/revHUMAN/article/view/4223. Acesso em: 21 sep. 2024.