KEOWHRAI, K.; GRISADANURAK, N. Proof of UNIQUAC Activity Coefficient Model for Water-Monoethanolamine System by Gibbs-Duhem Equation Department of Chemical Engineering, Faculty of Engineering, Prince of Songkla University. Engineering and Applied Science Research, [S. l.], v. 30, n. 3, p. 247–260, 2013. Disponível em: https://ph01.tci-thaijo.org/index.php/easr/article/view/6587. Acesso em: 31 aug. 2026.