LINDAYANA, .-.; ARIFUDDIN, .-.; MANDALA, H. Divergent Principles of Politeness in Verbal and Non-Verbal Directive Speech Act. International research journal of engineering, IT & scientific research, [S. l.], v. 4, n. 2, p. 41–51, 2018. Disponível em: https://sloap.org/journals/index.php/irjeis/article/view/73. Acesso em: 17 jul. 2024.