Phonsuwan K, Phaetlakfa C. Comparison Between Pre and Post Study on an Online Process Model of Perspective and Isometric Achievement During Covid-19. J. Beh Sci f Dev [Internet]. 2022 Jul. 27 [cited 2024 Apr. 26];14(2):1-18. Available from: https://so02.tci-thaijo.org/index.php/JBSD/article/view/255251