SIRIKANNA , J. The Development of Indicators and Criteria for Assessing Happiness in Digital Learning Management Among Secondary School Students at Demonstration School of Suan Sunandha Rajabhat University. VOICES AND VISIONS: Journal of Humanities and Social Sciences, [S. l.], v. 7, n. 1, p. 47–60, 2024. DOI: 10.53848/vvjournal.v7i1.2381. Disponível em: https://so14.tci-thaijo.org/index.php/VandVJournal/article/view/2381. Acesso em: 16 sep. 2026.