setiawan, darma, & sestiono Mindiharto, S.PSi., M.Kes.
"Factors that are Related to The Condition of Passenger Ship Sanitation in Tanjung Perak Port Surabaya." <em>Journal of Public Health Science Research (JPHSR)</em> [Online], 1.1 (2020): 25-31. Web. 23 Nov. 2024