Nugrahanik, Rizky, and Bangun Cahyo Utomo. “IMPLEMENTATION OF WATER SUPPLY SUPERVISION IN CLASS 1 PORT HEALTH OFFICE IN JUANDA AIRPORT WORKING AREA, SURABAYA”. The Indonesian Journal of Public Health 16, no. 2 (August 30, 2021): 253–263. Accessed November 22, 2024. https://e-journal.unair.ac.id/IJPH/article/view/13994.