Witthawassamrankul, K., Naulsom, N. and Khampao, C. 2025. The Relationship between Core Competencies and Performance Efficiency of Army Aviation Center Pilots. Interdisciplinary Academic and Research Journal . 5, 2 (Apr. 2025), 611–626. DOI:https://doi.org/10.60027/iarj.2025.282173.