Khongouan, Waralak, and Putpunnin Khamwachirapithak. “Green space management in world heritage sites under the 11th sustainable development goal: A case study of Phra Nakhon Si Ayutthaya municipality, Thailand”. Humanities, Arts and Social Sciences Studies 23, no. 3 (December 25, 2023): 667–677. accessed October 3, 2026. https://so02.tci-thaijo.org/index.php/hasss/article/view/261323.