WIJOYO, HADION. “Persepsi Mahasiswa Tentang Aplikasi Chatting Signal”. Jurnal Teknologi Dan Sistem Informasi Bisnis 3, no. 1 (January 31, 2021): 153-156. Accessed October 30, 2025. https://jurnal.unidha.ac.id/index.php/jteksis/article/view/179.