“Mixed-Method Assessment of Indoor Environmental Quality in an Educational Multipurpose Hall: A Case Study of Dewan Jubli Perak, Politeknik Ungku Omar”. International Journal of Mechanical and Sustainability Engineering Technology, vol. 9, no. 1, July 2026, pp. 1-13, https://uniexpertsacademy.com/index.php/IJMSET/article/view/29.