Adil, Ahmat, and Bambang Krismono Triwijoyo. “Spatial Implementation of the Harvesine Algorithm in The Mapbox API for Tourism Mapping”. Jurnal Bumigora Information Technology (BITe) 5, no. 1 (June 30, 2023): 53–64. Accessed July 31, 2025. https://journal.universitasbumigora.ac.id/bite/article/view/2874.