สุนทรกิจ ว.; บุญปู่ ส.; แก้วทองใหญ่ ย. A Study of Organizing Activities to Promote Volunteer Spirit of Secondary School Students in Chomthong District of Bangkok. Mahamakut Graduate School Journal, [S. l.], v. 19, n. 1, p. 13, 2021. Disponível em: https://so04.tci-thaijo.org/index.php/mgsj/article/view/252396. Acesso em: 7 may. 2024.