Khansophon, A. “Quality of Working Life of the Military Officers in Engineer Department Phanurangsri Camp at Ratchaburi Province”. Journal of Multidisciplinary in Humanities and Social Sciences, vol. 2, no. 2, June 2020, pp. 33-42, https://so04.tci-thaijo.org/index.php/jmhs1_s/article/view/243492.