Teh, Bor Tsong, Gabriel Hoh Teck Ling, Noor Hashimah Hashim Lim, and Pau Chung Leng. “FACTORS DETERMINING COVID-19 SEVERITY IN MALAYSIA: FROM SOCIAL, ECONOMIC AND ENVIRONMENTAL PERSPECTIVES”. PLANNING MALAYSIA 20, no. 24 (December 10, 2022). Accessed May 20, 2024. https://planningmalaysia.org/index.php/pmj/article/view/1209.