Permana, Rexy Irawan, and Dadang Sujana. “Alat Sanitizer Otomatis Pada Gagang Pintu Berbasis Internet Of Things”. Jurnal Ilmiah Fakultas Teknik, vol. 2, no. 2, July 2022, pp. 180-5, http://www.ejournal.unis.ac.id/index.php/jimtek/article/view/2678.