Nur Qosamah, Sa’diyah, Agus Aan Adriansyah, and Dwi Handayani. “Analysis Of Rat Demand With Fleas Index In Class Work Area I Tanjung Perak Surabaya Port”. PROCEEDING SURABAYA INTERNATIONAL HEALTH CONFERENCE 2019 1, no. 1 (June 29, 2020): 304–310. Accessed April 26, 2024. https://conferences.unusa.ac.id/index.php/SIHC19/article/view/541.