Jantakham S, Sairaksa D, Singhalert R. The Geotourism Development Strategies for Khon Kean Geopark Towards to UNESCO Global Geopark. edu-rmu [Internet]. 2020 Mar. 4 [cited 2024 May 11];17(1):599-611. Available from: https://so06.tci-thaijo.org/index.php/edu-rmu/article/view/252243