Nguyen, Linh, Anh Nguyễn, and Như Hồ. “Pro-Environmental Behavior in Sustainable Tourism: The Impact of Using "Environmental Feedback"”. Science & Technology Development Journal: Economics- Law & Management 6, no. 1 (December 17, 2021): 2142-2151. Accessed April 20, 2024. http://stdjelm.scienceandtechnology.com.vn/index.php/stdjelm/article/view/822.