V. T. H. Lan and Q. B. Tran, “Renovation of the Forgotten Ruins and Urban Public Spaces in Sapa Town, Vietnam for Sustainable Development”, ijscet, vol. 12, no. 5, pp. 164–179, Jan. 2022, Accessed: Apr. 27, 2024. [Online]. Available: https://publisher.uthm.edu.my/ojs/index.php/IJSCET/article/view/10494