FAISAL, F.; HARTONO, N.; SYAFEI, M. Pengunaan Formula Haversine pada Sistem Informasi Pencarian Guru Mengaji. Journal Software, Hardware and Information Technology, [S. l.], v. 1, n. 1, p. 13–23, 2021. DOI: 10.24252/shift.v1i1.3. Disponível em: http://shift.sin.fst.uin-alauddin.ac.id/index.php/shift/article/view/3. Acesso em: 3 apr. 2025.