Parakul, Songkran, and Kumjat Jaitrong. 2025. “The development of a temperature and humidity control system in a split-type ceiling-suspended air conditioner to optimize energy usage in classrooms at Siam Technology College”. Journal of Energy and Environment Technology of Graduate School Siam Technology College 12 (1):72-80. https://ph01.tci-thaijo.org/index.php/JEET/article/view/262052.