Nur Dinie Izzati Abdul Rahman and S. Mohammad, “The Flow Characteristic Of Simulation For Newly Developed Disposable Inhaler Spacer Geometry”, rpmme, vol. 6, no. 2, pp. 150–158, Dec. 2025, Accessed: Aug. 15, 2026. [Online]. Available: https://periodical.uthm.edu.my/index.php/rpmme/article/view/21802