ZANNRNI, Imadin M.; SHAREEF, Laila B. The Effectiveness of Politeness Achievements on Students’ Academic performance. Cihan University-Erbil Journal of Humanities and Social Sciences, [S. l.], v. 7, n. 1, p. 115–120, 2023. DOI: 10.24086/cuejhss.v7n1y2023.pp115-120. Disponível em: https://journals.cihanuniversity.edu.iq/index.php/cuejhss/article/view/937. Acesso em: 16 jun. 2026.