Hizham, Fadhel Akhmad, and Yanuar Nurdiansyah. “Sistem Pendukung Keputusan Tempat SPBU Di Kabupaten Lumajang Dengan Metode Haversine Formula Dan Algoritma TOPSIS”. Journal of Informatics Development 1, no. 2 (April 30, 2023): 39–50. Accessed October 19, 2025. http://178.128.120.64/index.php/jid/article/view/1012.