Fakri Husni, M., and Elfizon Elfizon. 2022. “Rancang Bangun Pengaman Brankas Menggunakan RFID (Radio Frequency Identification), Pin Dan GPS Berbasis Arduino Mega Dan Internet Of Things (Iot)”. Ranah Research : Journal of Multidisciplinary Research and Development 4 (2), 140-49. https://doi.org/10.38035/rrj.v4i2.446.