Arbi, Hardimam, and Hery Irwan. “Analysis of Factors Causing Decrease In Heating, Ventilation, and Air Conditioning (HVAC) Performance Using A Cause Effect Diagram (Fishbone Diagram)”. International Journal of Science and Environment (IJSE) 6, no. 3 (August 6, 2026): 56–65. Accessed August 7, 2026. https://ijsenet.com/index.php/IJSE/article/view/777.