Ezaiyuddin, Amirah Eitqan, and Nor Adrian Nor Salim. “A Study On Aircraft Air-Conditioning System Trainer Model AS-43 For Aeronautical Engineering Student Practice”. Progress in Aerospace and Aviation Technology, vol. 3, no. 2, Dec. 2023, pp. 8-16, https://penerbit.uthm.edu.my/ojs/index.php/paat/article/view/15011.