Sirikanna , J. (2024) “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, 7(1), pp. 47–60. doi: 10.53848/vvjournal.v7i1.2381.