Akbar, Sulung Alfianto. “Factors Associated With the Use of Personal Protective Equipment (PPE) Among Tunnel Construction Workers on Jalan Sultan Alimuddin–Jalan Kakap, Samarinda City”. KESMAS UWIGAMA: Jurnal Kesehatan Masyarakat 1, no. 1 (June 1, 2015): 1–9. Accessed September 9, 2026. https://ojs.uwgms.ac.id/index.php/KESMAS/article/view/3828.