Boonyoo S, Boonmakerd K. Structural Relationship Model of Factors affecting Profitability and Profit Quality of Companies Listed on the Stock Exchange of Thailand in the Service Business Industry Group. Ph.D. in Soc. Sci. J. [internet]. 2026 Apr. 2 [cited 2026 Aug. 30];16(1):e279641. available from: https://so05.tci-thaijo.org/index.php/phdssj/article/view/279641