Phitucklopanich, Phra Maha Watthanachai. “THE GUIDELINES FOR LEADERSHIP DEVELOPMENT ACCORDING TO THE DUTIYAPAPANIKA SUTTA OF PHRAPARIYATTIDHAMMA SCHOOL ADMINISTRATORS IN NONG KHAI PROVINCE”. Journal of Srilanchang Review 8, no. 2 (December 31, 2022): 1–13. accessed September 12, 2026. https://so06.tci-thaijo.org/index.php/jslc/article/view/255750.