IKHWAN, I. . Efficiency of Public Expenditure in Sumatera before Covid-19 Pandemic Era. Finance and Sustainability, [S. l.], v. 1, n. 1, 2024. DOI: 10.58968/fs.v1i1.422. Disponível em: https://journals.smartinsight.id/index.php/FS/article/view/422. Acesso em: 29 oct. 2025.