Narkprasit C. Active exercise outcome on health and disease of senior citizens in a Bangkok district during COVID-19 pandemic. J Public Hlth Dev [internet]. 2021 Sep. 13 [cited 2026 Sep. 28];19(3):119-2. available from: https://he01.tci-thaijo.org/index.php/AIHD-MU/article/view/251874