Kettanom, T. .; Putthanukorn, P. .; Klurvudtikul, S. .; Chanpensre, S. .; Semermit, G. . PERSONNEL MANAGEMENT OF SCHOOL ADMINISTRATORS IN NONWATTANA UNDER THE OFFICE OF NONTHABURI PRIMARY EDUCATIONAL AREA 2. JMND 2022, 9, 120-134.