RAIHAN ZHIFHANUR MUHAMMAD; MONIKA AYU PUJI ANGGRAINI; ANDI NURUL ISRI INDRIANY IDHIL; MUHAMMAD YOGI NURROHMAN; RAFA RAIHAN FADILLA; ZAINUL ABIDIN. Smart Armband for Early Detection of Hypothermia and Hypoxia with the Location Tracing System during Emergencies Based LoRa on Hikers. International Journal of Science, Technology & Management, v. 2, n. 5, p. 1616-1624, 28 Sep. 2021.