N. Jitviboon, D. Nunklam, and K. Nuthongkaew, “DEVELOPMENT OF LEADERSHIP ACCORDING TO THE PRINCIPLES OF SAPPURISADHAMMA OF KAMNANS AND VILLAGE HEADMEN CHANG KLANG DISTRICT, NAKHON SI THAMMARAT PROVINCE”, JMND, vol. 10, no. 11, pp. 15–23, Nov. 2023.