Alam, Sahrul, Khairul Amal, Arham, and Masriani. 2022. “Rancang Bangun Kursi Physical Distancing Berbasis Mikrokontroller Arduino Nano ”. ULIL ALBAB : Jurnal Ilmiah Multidisiplin 1 (6):1535-41. https://al-haramjournal.co.id/JIM/article/view/359.