ถนอมจิตศ์ ธ, ช่วยบำรุง เ. A MODEL OF KNOWLEDGE ENHANCING OF THE YOUTHS IN SUKHOTHAI AND KAMPHAENG PHET PROVINCES BY MULTI-PARTY PARTICIPATION PROCESS TO PROMOTE WORLD HERITAGE TOURISM OF SUKHOTHAI HISTORICAL TOWN AND SURROUNDING TOWNS. spurhs [Internet]. 2018 Mar. 9 [cited 2024 May 18];15(2):35-4. Available from: https://so05.tci-thaijo.org/index.php/spurhs/article/view/114914