Yothicar P, Punyasiri S. THE DEVELOPMENT PROCESS OF THE LEARNING PROCESS-BASED CULTURAL TOURISM INTERPRETATION OF KHAO PHRA WIHAN NATIONAL PARK. PNRU JHSS [internet]. 2017 Sep. 22 [cited 2025 Dec. 11];13(1):42-55. available from: https://so05.tci-thaijo.org/index.php/PNRU_JHSS/article/view/94870