RAHMAWATI, Aisah Nur Eka; RUSDIANA, Yulianti; ILMADI, Ilmadi. TRIGONOMETRI SEGITIGA BOLA DALAM PENENTUAN WAKTU SALAT. Jurnal Saintika Unpam : Jurnal Sains dan Matematika Unpam, [S. l.], v. 4, n. 1, p. 90–107, 2021. DOI: 10.32493/jsmu.v4i1.19497. Disponível em: https://openjournal.unpam.ac.id/index.php/jsmu/article/view/19497. Acesso em: 11 apr. 2025.