Harahap, G. S., Daulay, A. H., & Nasution, N. (2024). PROTOTIPE SISTEM SMART DOOR LOCK MENGGUNAKAN E-KTP DAN AUTOMATIC LIGHTING BERBASIS INTERNET OF THINGS (IoT). JOURNAL ONLINE OF PHYSICS, 9(2), 18-22. https://doi.org/10.22437/jop.v9i2.31825