NASIR, A. Evaluating User Interface Design Of Skype And Google Talk Based On Android Platform. TEMATIKA: Jurnal Penelitian Teknik Informatika dan Sistem Informasi, [S. l.], p. 31–37, 2015. Disponível em: https://ojs.uajm.ac.id/index.php/tematika/article/view/361. Acesso em: 24 jun. 2026.