KOEDPHON, J. Factors Affecting the Enhancement and Service Quality Development of Premium Thai Massage Establishments in Uttaradit Province. Princess of Naradhiwas University Journal, [S. l.], v. 18, n. 3, p. 174–191, 2026. Disponível em: https://li01.tci-thaijo.org/index.php/pnujr/article/view/269531. Acesso em: 6 oct. 2026.