Mutiarani, P.T. 2018. Study of Cargo Vessel Sanitation and the Presence E.Coli Bacteria on Food in the Port Area of Tanjung Perak Surabaya. JURNAL KESEHATAN LINGKUNGAN . 9, 2 (Jul. 2018), 11–121. DOI:https://doi.org/10.20473/jkl.v9i2.2017.11-121.