W. Panyawong, C. Khengsamut, and J. Wankongdee, “The Development of a Psychological Characteristics Inventory for Students in Educational Institutions under the Royal Thai Air Force: Teamwork, Mental Toughness, Emotional Regulation and Critical Thinking (TMEC)”, NKRAFA.HSJ., vol. 13, pp. 16–25, Dec. 2025.