HARUO, Noma; 						THANH, Trần Đức; 						HOA, Trần Thị Mai.
 Some Difficulties and Suggestions for Sustainable Marine Eco-tourism in Vietnam and Japan: Case Studies of Vân Đồn District, Quảng Ninh Province and Akkeshi Town, Hokkaido.
<strong>VNU Journal of Science: Earth and Environmental Sciences</strong>, [S.l.], v. 29, n. 1, mar. 2013.
ISSN 2588-1094.
Available at: &lt;<a href="https://js.vnu.edu.vn/EES/article/view/1561" target="_new">https://js.vnu.edu.vn/EES/article/view/1561</a>&gt;. Date accessed: 08 may 2024.