E. E. Ahmad Khan, M. H. Ahmad, K. A. Mohamed, M. H. Shaari, and K. Embong, “Factors Associated with COVID-19 Mortality at Setiu District, Terengganu State of Malaysia in 2021”, Int. J. Hum. Health Sci., vol. 6, no. 2, pp. 168–172, Mar. 2022.