Tranggono, Mukti P, Marta SI, Gairwyn SV, Firmansyah A. Memperhatikan Kesopanan dan Ketepatan Berbahasa Mahasiswa Terhadap Dosen UPN “Veteran” Jatim di Media Sosial Whatsapp . education [Internet]. 2023 May 5 [cited 2025 Jul. 4];1(1):67-80. Available from: https://journal.csspublishing.com/index.php/education/article/view/59