โพธิ์จันทร์ ว. The Effects of Art Camp in Nature and Environment Art for Fourth Grade Students of the Demonstration School Khon Kaen University. EDGKKUJ [Internet]. 2018 May 24 [cited 2024 May 5];11(4):167-72. Available from: https://so02.tci-thaijo.org/index.php/EDGKKUJ/article/view/125467