Ardiyansyah Saad Yatim, and Elang Pramudya Wijaya. “Air Quality Improvement in COVID-19 Pandemic: Numerical Study of Ventilation System in a Classroom”. CFD Letters 15, no. 1 (January 13, 2023): 26–38. Accessed November 22, 2024. https://semarakilmu.com.my/journals/index.php/CFD_Letters/article/view/809.