Natesya V, Manik S, Sihite J. Impoliteness On Youtube Comments Towards Yusuf Mansur About Investment Scam. JPDK [Internet]. 2022Oct.17 [cited 2024Jul.1];4(5):5863-7. Available from: http://journal.universitaspahlawan.ac.id/index.php/jpdk/article/view/7614