Munudom C. The development of guidelines for enhancing desirable characteristics of school students Muangklangprachanukul, Secondary Educational Service Area Office, Area 28. JGSR [Internet]. 2022 Jun. 22 [cited 2024 Apr. 20];7(1):103-14. Available from: https://so03.tci-thaijo.org/index.php/saketreview/article/view/254909