Sinnang P, Suttiwit T. COLIN POWELL’S MILITARY LEADER CHARACTERISTICS. PNRU_ACA [internet]. 2022 Dec. 28 [cited 2025 Aug. 16];1(2):37-49. available from: https://so07.tci-thaijo.org/index.php/PNRU_ACA/article/view/1902