Su, Thi Oanh Hoa, and Giang Duong Nguyen. “Tourists Demand on Heritage Site: A Case Study of Phuoc Tich Village, Vietnam”. Journal On Tourism & Sustainability, vol. 3, no. 1, Dec. 2019, pp. 62-72, https://ontourism.academy/journal/index.php/jots/article/view/65.