IMPLEMENTASI ALGORITMA HAVERSINE PADA ABSENSI PERKULIAHAN BERBASIS ONLINE DI FAKULTAS TEKNIK UNIVERSITAS ISLAM SUMATERA UTARA. Jurnal Riset Multidisiplin Edukasi, [S. l.], v. 2, n. 7, p. 910–929, 2025. DOI: 10.71282/jurmie.v2i7.728. Disponível em: https://journal.hasbaedukasi.co.id/index.php/jurmie/article/view/728.. Acesso em: 26 sep. 2025.