Zainal Arifin, and Indah Sulistiyowati. “Automatic Wastafel Touchless With Solar Cell As Alternative Energy Sources: Wastafel Touchless Otomatis Dengan Solar Cell Sebagai Sumber Energi Alternatif”. Procedia of Engineering and Life Science 1, no. 1 (April 15, 2021). Accessed July 23, 2025. https://pels.umsida.ac.id/index.php/PELS/article/view/881.