Yang Heng และ Nathara Mhunpiew. (2026) A Model for Enhancing Teacher Leadership Skills at Private Preschool in Guan Du District Kunming China. <i>ABAC ODI Journal Vision. Action. Outcome</i>, <i>14</i>(1), 336-357.Yang Heng และ Nathara Mhunpiew. "A Model for Enhancing Teacher Leadership Skills at Private Preschool in Guan Du District Kunming China". ABAC ODI Journal Vision. Action. Outcome 14 (2026):336-357.Yang Heng และ Nathara Mhunpiew. A Model for Enhancing Teacher Leadership Skills at Private Preschool in Guan Du District Kunming China. Graduate School of Business and Advanced Technology Management Assumption University Thailand:ม.ป.ท. 2026.