Sriruksa R, Ruengtip P, Juntapremjit S. The Development of Images Program Based on Gestalt Principles for Enhance the Sustainable Attention and Working Memory of the Early Adulthood. dhammathas [internet]. 2020 Sep. 28 [cited 2026 Jan. 6];20(3):133-44. available from: https://so06.tci-thaijo.org/index.php/dhammathas/article/view/194517