TATIK MELINDA TALLULEMBANG. Geographic Information Systems Practice Midwife In Merauke Regency Android-Based Method Using Spherical Law of Cosines. International Journal of Science, Technology & Management, [S. l.], v. 2, n. 3, p. 895–899, 2021. DOI: 10.46729/ijstm.v2i3.218. Disponível em: https://ijstm.inarah.co.id/index.php/ijstm/article/view/218. Acesso em: 22 jan. 2026.