IMPLEMENTASI FITUR AUTENTIKASI FIREBASE PADA SIPAKDE. JURNAL ILMIAH ULTRAS BREBES, [S. l.], v. 7, n. 2, 2026. Disponível em: https://jurnal-ultras.brebeskab.go.id/index.php/ojsdata/article/view/76. Acesso em: 25 aug. 2026.