Dewanto, W K, B Widiawan, D P S Setyohadi, Surateno, and M Mashfukh. 2020. “Development of Goods Carrier Robots and Interaction of COVID-19 Patients With Medical Personnel at Politeknik Negeri Jember”. Food and Agricultural Sciences : Polije Proceedings Series 3 (1):158-62. https://proceedings.polije.ac.id/index.php/food-science/article/view/150.