Serrano Romero, Enriqueta Claudia. “Natural Approach or Cognitive Approach. Learning or Acquiring a Foreign Language? Research Study at Centro De Lenguas De La Universidad Autónoma De Ciudad Juárez”. HUMAN REVIEW. International Humanities Review / Revista Internacional de Humanidades 1 (outubro 31, 2019): 49–58. Acessado maio 28, 2025. https://www.historicoeagora.net/revHUMAN/article/view/2763.