สินหิรัญวิวัฒน์ ก. (2016) “Single or Sole Proprietorship (in Thai)”, Connexion: Journal of Humanities and Social Sciences. Chiang Rai, Thailand, 5(1), pp. 66–86. Available at: https://so05.tci-thaijo.org/index.php/MFUconnexion/article/view/241357 (Accessed: 25 April 2024).