„Politeness Strategies in WhatsApp Text Messaging: A Case Study of Lecturers’ Politeness in Sending Text Messages to Students in Universitas ‘Aisyiyah Yogyakarta“. International Journal of Social Science Research and Review 6, no. 7 (Juli 6, 2023): 137–151. Zugegriffen Oktober 28, 2026. https://ijssrr.com/journal/article/view/1323.