Đ. B. Tran, K. T. Tran, T. S. Nguyen, T. L. Tran, H. G. N. Le, and T. H. Pham, “POST-COVID-19 CONDITIONS: AN ONLINE SURVEY IN USING A QUESTIONNAIRE ON 250 PARTICIPANTS RECOVERED FROM COVID-19 IN THUA THIEN HUE AND CENTRAL VIETNAM”, CTJUMP, no. 59, pp. 1–9, May 2023.