LUKA, I. Creating a Culture-Based Language Learning Course for Developing Adult Learners’ 21st Century Skills. Journal of Education Culture and Society, [S. l.], v. 10, n. 2, p. 151–169, 2019. DOI: 10.15503/jecs20192.151.169. Disponível em: https://www.e-methodology.eu/index.php/jecs/article/view/557. Acesso em: 15 jul. 2026.