Thongdee ก.; Phattharakul ว. The Relationship between the Management Skills of the Schools Administrators in The 21st Century and the Effectiveness of the Schools under Phanakhonsi Ayutthaya Primary Education Service Area Office 1. Mahachula Academic Journal, Bangkok, Thailand, v. 8, n. 3, p. 141–152, 2021. Disponível em: Acesso em: 7 jul. 2022.