[1]
วิโรจน์ศิรวุธ น., Phra Khru Sumet Pariyattikhun, and P. Samakkhi, “The Guideline for Leadership Development in the 21st Century for Teachers in Cha - Uat School based on the Principles of Virtues iv The Secondary Educational Service Area Office Nakhon Si Thammarat”, jsr, vol. 6, no. 2, pp. 3305–3320, Aug. 2026.