Widodo, S.Kom., M.T, Anang, and Muslim Alamsyah. 2022. “Mapping COVID-19 in a Region Using IP Geolocation and Fuzzy Inference System”. Inform : Jurnal Ilmiah Bidang Teknologi Informasi Dan Komunikasi 7 (1), 67-72. https://doi.org/10.25139/inform.v7i1.4582.