ซึ้งจิตสิริโรจน์ วุฒิเดช, and แสดงหาญ พรรัตน์. “Operation Approach of Happy Workplace Model in Eastern Part of Thailand”. KKBS Journal of Business Administration and Accountancy 3, no. 1 (August 17, 2019): 91–106. Accessed May 19, 2024. https://so04.tci-thaijo.org/index.php/kkbsjournal/article/view/183392.