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<xml><bibliography><APA>Nita Singsoong และ Kamolthip Thongkamhaeng. (2026) Guidelines for Developing Teacher Competency Based on the Coaching Skills Conceptual Framework for School Administrators under the Secondary Educational Service Area Office Bangkok 2. &lt;i&gt;An Online Journal of Education (OJED)&lt;/i&gt;, &lt;i&gt;21&lt;/i&gt;(1), 1-20.</APA><Chicago>Nita Singsoong และ Kamolthip Thongkamhaeng. "Guidelines for Developing Teacher Competency Based on the Coaching Skills Conceptual Framework for School Administrators under the Secondary Educational Service Area Office Bangkok 2". An Online Journal of Education (OJED)  21 (2026):1-20.</Chicago><MLA>Nita Singsoong และ Kamolthip Thongkamhaeng. Guidelines for Developing Teacher Competency Based on the Coaching Skills Conceptual Framework for School Administrators under the Secondary Educational Service Area Office Bangkok 2. Centre for Education Innovation, Print and Online Media:ม.ป.ท. 2026.</MLA></bibliography></xml>
