Kaewsueb S, Phongphotakul K. Guidelines for Developing Voluntary Activities at Chulachomklao Royal Military Academy. CRMA_HUSO [internet]. 2024 Aug. 9 [cited 2025 Dec. 7];11(1):29-43. available from: https://so01.tci-thaijo.org/index.php/CRMA_HUSO/article/view/271999