Apsari Dj. Hasan and Risti Puspita Sari Hunowu (2023) “Designing a Social Politeness Campaign for Communicating Students with Lecturers Using Gadgets”, Pixel :Jurnal Ilmiah Komputer Grafis, 16(1), pp. 101–108. doi: 10.51903/pixel.v16i1.1187.