ยิ้มแก้ว ร, กุลตวนิช ก. Three-dimensional virtual field trips for lowland a Khok Nong Na Model. JRBAC [Internet]. 2019 Jun. 30 [cited 2024 May 20];14(1):68-81. Available from: https://so03.tci-thaijo.org/index.php/rbac/article/view/224531