Syahreza, Wahyu, and Soeheri Soeheri. “Sistem Informasi Geografis Pencarian Lokasi Sekolah Dasar Berdasarkan Akreditasi Menggunakan Metode Haversine Formula”. Data Teknologi : Journal of Informatics and Computers 1, no. 1 (February 6, 2023): Page 24–29. Accessed January 28, 2025. https://datateknologi.marospub.com/index.php/journal/article/view/52.