darunee thrapphon and พระราชรัตนมงคล, “ADMINISTRATOR’S ADMINISTRATION AFFECTING THE LEARNING ORGANIZATION OF SCHOOLS UNDER OFFICE OF SECONDARY EDUCATIONAL SERVICE AREA 9: ADMINISTRATOR’S ADMINISTRATION AFFECTING THE LEARNING ORGANIZATION OF SCHOOLS UNDER OFFICE OF SECONDARY EDUCATIONAL SERVICE AREA 9”, MGSJ, vol. 18, no. 2, p. 7, Dec. 2020.