PANJAITAN, D. E.; SINAGA, R. S. .; WARJIO, W. Implementation of Groundwater Tax Services and Improvement in the Application of Electronic-Based Regional Revenue Management Information System (E-Simpatda) at the Langkat Regency Revenue Agency. Journal of Public Representative and Society Provision, [S. l.], v. 5, n. 2, p. 326-331, 2025. DOI: 10.55885/jprsp.v5i2.518. Disponível em: https://psppjournals.org/index.php/jprsp/article/view/518. Acesso em: 21 apr. 2026.