Susilo, S., Muhamad Nurdin Latif, Erny Listijorini, Shofiatul Ula, and Dewi Utami. “Design and Implementation of a Touch-Free Door Lock System Based on Arduino”. Jurnal E-Komtek, Vol. 9, no. 1, June 2025, pp. 53-60, doi:10.37339/e-komtek.v9i1.2161.