อภัยวาทิน ร. The Development of Instructional Model Based on Social Constructivism to Enhance Communicative Skills and Soft Skills of Grade 12 Students for Learning English Subject. spurhs [internet]. 2024 Jun. 28 [cited 2025 Apr. 10];24(1):138-50. available from: https://so05.tci-thaijo.org/index.php/spurhs/article/view/271811