SONAIEM, T.; PRASERTPHORN, V. Guidelines for Developing Integrated Leadership in the 21st Century for School Administrators under Khon Kaen Primary Educational Service Area Office 5. JOURNAL OF LANNA RESEARCH REVIEW, [S. l.], v. 6, n. 2, p. 69–81, 2025. Disponível em: https://so13.tci-thaijo.org/index.php/JOLRR/article/view/1747. Acesso em: 16 sep. 2026.