Faisal F, Hartono N, Syafei M. Pengunaan Formula Haversine pada Sistem Informasi Pencarian Guru Mengaji. Journal Software, Hardware and Information Technology (SHIFT) [Internet]. 2021 Feb. 10 [cited 2025 Jul. 27];1(1):13-2. Available from: https://shift.sin.fst.uin-alauddin.ac.id/index.php/shift/article/view/3