Apsari Dj. Hasan, Risti Puspita Sari Hunowu. Designing a Social Politeness Campaign for Communicating Students with Lecturers Using Gadgets. PIXEL [Internet]. 2023 Jul. 7 [cited 2024 Nov. 22];16(1):101-8. Available from: https://journal.stekom.ac.id/index.php/pixel/article/view/1187