PENGKONG, jeerawan; AUNJANUM, S. The Digital Leadership of Educational Institution Administrators that Affect Teacher Skills in the 21st Century Co-Campus 1 Affiliated with the Secondary Educational Service Area Office Nakhon Sri Thammarat: The Digital Leadership of Educational Institution Administrators that Affect Teacher Skills in the 21st Century Co-Campus 1 Affiliated with the Secondary Educational Service Area Office Nakhon Sri Thammarat. RATANABUTH JOURNAL, Yasothon, Thailand, v. 7, n. 2, p. 140–152, 2025. Disponível em: https://so07.tci-thaijo.org/index.php/rtnb/article/view/7570. Acesso em: 3 sep. 2026.