Sitsira-at S, Jungate P, Kuprasert N, Peatkadee V. THE EFFECTS OF POSITIVE THINKING ENHANCING ACTIVITIES IN GRADUATE DIPLOMA PROGRAM IN TEACHING PROFESSION STUDENTS. JHS.TRU [Internet]. 2019 Jan. 1 [cited 2024 Apr. 28];13(1):146-53. Available from: https://so03.tci-thaijo.org/index.php/trujournal/article/view/166674