ศรีวิสทิยกุล ก, ประเสริฐสรวย ส. COLLABORATION-ORIENTED LEARNING OBJECTS BASED ON CONSTRUCTIVISM THEORY. spurhs [internet]. 2018 Mar. 23 [cited 2026 Sep. 10];13(2):28-37. available from: https://so05.tci-thaijo.org/index.php/spurhs/article/view/116566