Ar Rasyid, Adi, & Arifin A Abd Karim.
" Aplikasi Pencarian Pondok Pesantren Terdekat Menggunakan Algoritma Haversine di Daerah Istimewa Yogyakarta." <em>INFORMATION MANAGEMENT FOR EDUCATORS AND PROFESSIONALS : Journal of Information Management</em> [Online], 7.1 (2022): 61-70. Web.  6 Sep. 2024