Pengkong, jeerawan, & Aunjanum, S. . (2025). 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, 7(2), 140–152. retrieved from https://so07.tci-thaijo.org/index.php/rtnb/article/view/7570