SERRANO ROMERO, E. C. Natural Approach OR Cognitive Method? The Teaching of Spanish as a Second Language. HUMAN REVIEW. International Humanities Review / Revista Internacional de Humanidades, [S. l.], v. 7, n. 1, p. 1–12, 2018. Disponível em: https://historicoeagora.net/revHUMAN/article/view/1840. Acesso em: 7 jun. 2025.