TRAPSILO, B. Who Pays the 20 Percent Deduction? Vacancy in Concession Funding Arrangements in Government Regulation Number 31 of 2026. Advances In Social Humanities Research, [S. l.], v. 4, n. 11, p. 1882–1898, 2026. DOI: 10.46799/adv.v4i11.745. Disponível em: https://adshr.org/index.php/vo/article/view/745. Acesso em: 9 nov. 2026.