Tác giả, “Willingness to pay and some related factors for the periodical health check-up services for the elderly in 2017 at Dau Tieng Ditrict Health Center, Binh Duong province, Vietnam”, JHDS, vol 1, số p.h 02, tháng 12 2017, Truy cập: 10 Tháng Sáu 2026. [Online]. Available at: https://jhds.invatech.com.vn/index.php/jhds/article/view/26