Adilah, U. N., A. . Hendrawan, M. . Arman, N. . Khakim, and R. . Aziz. “Design of a Temperature and Humidity Monitoring System Based on the Internet of Things for Cold Chain Vaccine Storage ”. Jurnal Otomasi Kontrol Dan Instrumentasi, vol. 17, no. 2, Oct. 2025, pp. 103-12, doi:10.5614/joki.2025.17.2.5.