YOSIA RAJAGUKGUK; ERIKA SINAMBELA; ARSEN NAHUM PASARIBU. Politeness Strategy and Principles Used in Conversation on Green Book Film . International Journal of Educational Research & Social Sciences , [S. l.], v. 2, n. 3, p. 568–573, 2021. DOI: 10.51601/ijersc.v2i3.47. Disponível em: https://ijersc.org/index.php/go/article/view/47. Acesso em: 13 apr. 2025.