NAJWA RAHMADINI; TIURMA SARI HARAHAP; GALIH SUPRAJA. Government Expenditure Budget Efficiency Through the Implementation of the E-Procurement System at the Medan City LPSE. International Journal of Economic Research and Financial Accounting, [S. l.], v. 5, n. 1, 2026. DOI: 10.55227/ijerfa.v5i1.478. Disponível em: https://ijerfa.afdifaljournal.com/index.php/ijerfa/article/view/478. Acesso em: 27 oct. 2026.