Tamara, Sherli. “LoRa and IoT-Based Heart Rate and Temperature Monitoring Tool Using MQTT Protocol”. Jurnal Teknologi Informasi dan Pendidikan 16, no. 1 (October 17, 2023): 247-258. Accessed July 3, 2024. http://tip.ppj.unp.ac.id/index.php/tip/article/view/769.