Aliffiyah, Muhammad Bayu, et al. “Rancang Bangun Sistem Monitoring Keamanan Laboratorium Menggunakan Komunikasi Long Range (LORA) Berbasis Android”. Patria Artha Technological Journal, vol. 5, no. 2, Oct. 2021, pp. 126-33, doi:10.33857/patj.v5i2.442.