Cho, Dong-Hyun, and . . “A Study on the Characteristics of Proportional Control of Roll Screen Dampers’ Constant Air Volumes”. International Journal of Engineering & Technology 7, no. 3.24 (August 10, 2018): 163–166. Accessed April 27, 2024. https://sciencepubco.com/index.php/ijet/article/view/22528.