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):101-8. https://doi.org/10.51903/pixel.v16i1.1187.