Rahmalia, Dinita, and Teguh Herlambang. 2018. “Application Kohonen Network and Fuzzy C Means for Clustering Airports Based on Frequency of Flight”. Kinetik: Game Technology, Information System, Computer Network, Computing, Electronics, and Control 3 (3):229-36. https://doi.org/10.22219/kinetik.v3i3.608.