Falasifah, Nihlatul, Rosifatul Umamah, and Yanuar Irfani Harfuddin. “Penerapan Teknologi Tepat Guna Tempat Hand Sanitizer Sistem Pedal Pijak Dalam Pencegahan Penyebaran Covid-19 Di Sidoarjo: Application of Appropriate Technology for Touchless Pedal System Hand Sanitizer in Preventing the Spread of Covid-19 in Sidoarjo”. Amalee: Indonesian Journal of Community Research and Engagement 3, no. 1 (March 1, 2022): 11–19. Accessed June 8, 2025. https://ejournal.insuriponorogo.ac.id/index.php/amalee/article/view/1291.