Pramono, Sigit, Slamet Indriyanto, and Wahyu Junianto. “The Implementation of MQTT Protocol Using PT-100 for Monitoring the Vaccine Temperature ”. Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi) 6, no. 2 (April 29, 2022): 346 - 351. Accessed May 9, 2025. https://jurnal.iaii.or.id/index.php/RESTI/article/view/3988.