ALLEN, Hailie. A “Pura Vida” Summer in Costa Rica. Journal of International Students, [S. l.], v. 1, n. 2, p. 34–35, 2011. DOI: 10.32674/jis.v1i2.548. Disponível em: https://ojed.org/jis/article/view/548. Acesso em: 22 jan. 2025.