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Charoenmanee, Nisarat, and Patumphorn Piatanom. “The Impact of School Administrators’ Collective Leadership on the Organizational Happiness of Schools under the Bangkok Metropolitan Administration”. Shanlax International Journal of Education 14, no. 2 (March 1, 2026): 97-103. Accessed October 14, 2026. https://www.shanlaxjournals.in/journals/index.php/education/article/view/9970.