ACCEPTANCE AND WILLINGNESS TO PAY FOR DENGUE VACCINATION AMONG PARENTS OF CHILDREN AGED 4-15 YEARS IN SOME COMMUNES OF PHU VANG DISTRICT, HUE CITY IN 2025. YHCĐ [Internet]. 2026 Aug. 28 [cited 2026 Sept. 9];67(8). Available from: https://tapchiyhcd.vn/index.php/yhcd/article/view/6334