NASUTION, R. I. Penggunaan User Interface (UI) Google Classroom Pada Siswa Tingkat SMP di Denpasar Selatan. SANDI : Seminar Nasional Desain, [S. l.], v. 1, p. 215–221, 2021. Disponível em: https://eproceeding.isi-dps.ac.id/index.php/sandi-dkv/article/view/125. Acesso em: 5 agu. 2021.