Chaivichean, Aonpailin, Jirarode Angkana, and Chomchuen Somprasert. 2023. “The Effect of a Mental Strengthening Program on the Mental Health State of High School Students”. Journal of The Royal Thai Army Nurses 24 (1):143-52. https://he01.tci-thaijo.org/index.php/JRTAN/article/view/251318.