HẢI, Nguyễn Thị; 						THANH, Trần Đức.
 Lực hấp dẫn du lịch.
<strong>VNU Journal of Science: Natural Sciences and Technology</strong>, [S.l.], v. 18, n. 3, sep. 2002.
ISSN 2588-1140.
Available at: &lt;<a href="https://js.vnu.edu.vn/NST/article/view/3118" target="_new">https://js.vnu.edu.vn/NST/article/view/3118</a>&gt;. Date accessed: 22 nov. 2024.