SULISTIYOWATI, I.; MUHYIDDIN, M. I. Disinfectant Spraying Robot to Prevent the Transmission of the Covid-19 Virus Based on the Internet of Things (IoT). Journal of Electrical Technology UMY, [S. l.], v. 5, n. 2, p. 61–67, 2021. DOI: 10.18196/jet.v5i2.12363. Disponível em: https://journal.umy.ac.id/index.php/jet/article/view/12363. Acesso em: 30 apr. 2025.