Yusop, Hakimah, and Sharifa Ezat Wan Puteh. “Housing and Indoor Factor Influencing Spread of COVID-19”. International Journal of Public Health Research 13, no. 2 (September 3, 2023). Accessed April 15, 2024. https://spaj.ukm.my/ijphr/index.php/ijphr/article/view/424.