Sah, A., kurniawan, R. and Jusmawati, J. 2021. Geographic Information System Mapping of Kerosene Businesses In Jayapura. JURNAL TEKNOLOGI DAN OPEN SOURCE. 4, 2 (Dec. 2021), 227 - 231. DOI:https://doi.org/10.36378/jtos.v4i2.1418.