Amirah, Asriwati, Teguh Suharto, Erni Yetti, Artifa Sari, and Rizal Mayridian. “The Influence of Covid-19 Preparedness Through Health Care Implementation on Ship Crew”. Media Kesehatan Masyarakat Indonesia 17, no. 4 (December 31, 2021): 116-123. Accessed April 15, 2025. http://334012.libg.asia/index.php/mkmi/article/view/13167.