RAMOS-MORENO, Keily Alicia; VÁZQUEZ-LABRADA , José Rolando; MORENO-MARTÍNEZ , Magdalena. Need for Fidel Castro’s environmental thought in the teaching-learning process of Marxism-Leninism. Environmental Research and Ecotoxicity, [S. l.], v. 4, p. 203, 2025. DOI: 10.56294/ere2025203. Disponível em: https://ere.southam.pub/index.php/ere/article/view/203. Acesso em: 28 dec. 2025.