Ahda, F., L. Hakim, L. Farokhah, and W. Adhariyanty. “PKM-PENGUJIAN APLIKASI EMERGENCY BUTTON DI PALANG MERAH INDONESIA KOTA MALANG BERBASIS ANDROID”. Seminar Nasional Sistem Informasi (SENASIF), Vol. 4, no. 1, Oct. 2020, pp. 2453 -61, https://jurnalfti.unmer.ac.id/index.php/senasif/article/view/326.