ธัญญรัตนวานิช จ. Leadership and Business Ethics Related to the Operation of Small and Medium-Sized Enterprises in Nonthaburi Province. rpujournal [Internet]. 2019 May 29 [cited 2024 Apr. 18];5(1):90-103. Available from: https://so03.tci-thaijo.org/index.php/rpu/article/view/191555