Utami, Amalia Rizqi, et al. “Smart Monitoring System for Air Conditioning Units in Classrooms at Institut Teknologi Kalimantan Using IoT Technology: Sistem Monitoring Air Conditioner (AC) Pada Ruang Kelas Institut Teknologi Kalimantan Berbasis Internet of Things (IoT)”. SPECTA Journal of Technology, vol. 10, no. 1, Apr. 2026, doi:10.35718/specta.v10i1.1018.