Perancangan dan Implementasi Alat Penentu Arah Kiblat Portable. Komputika : Jurnal Sistem Komputer, [S. l.], v. 1, n. 2, 2015. Disponível em: https://ojs.unikom.ac.id/index.php/komputika/article/view/107. Acesso em: 19 apr. 2025.