1.
Jaya PH, Wijana IDP, Hardjanto TD. Politeness in student-lecturer whatsapp messages: A study of English greetings. NOTION J. Linguist. Lit. Cult. [Internet]. 2025May26 [cited 2026Jun.6];7(1):51-66. Available from: http://journal2.uad.ac.id/index.php/notion/article/view/10756