[1]
J. . . Sansila and P. . Chansirisira, “THE GUIDELINES FOR COMPETENCY DEVELOPMENT OF ACHIEVEMENT MOTIVATION OF SCHOOL PRINCIPALS IN DIGITAL ERA, UNDER THE JURISDICTION OF OFFICE OF MAHASARAKHAM PRIMARY EDUCATIONAL SERVICE AREA 3”, jg-mcukk, vol. 8, no. 2, pp. 130–138, Jun. 2021.