Dakwani, T. .-. “Hygiene and Sanitation of Food Processing Center in Gudang 100 Warehouse at Tanjung Perak Sea Port of Surabaya 2018”. JURNAL KESEHATAN LINGKUNGAN, vol. 11, no. 1, Feb. 2019, pp. 69-74, doi:10.20473/jkl.v11i1.2019.69-74.