Riky Hamdani, Sitepu, A. and Wahyu Pertiwi, I. 2025. THE CORRELATION BETWEEN POOR ORAL HYGIENE AND ORAL HEALTH-RELATED QUALITY OF LIFE AMONG DRUG USERS: Hubungan Antara Kebersihan Gigi dan Mulut Terhadap Kualitas Hidup Pada Pengguna Narkoba . Jurnal Berkala Epidemiologi. 13, 3 (Sep. 2025), 255–263. DOI:https://doi.org/10.20473/jbe.V13I32025.255-263.