LATERSIA BR GURUSINGA; HERMAWAN SUTANTO; FEEBEE SALIM. Effectiveness Of Tax Collection With Warning Letters and Forced Letters On East Medan Pratama KPP Tax Revenue. International Journal of Mechanical, Electrical and Civil Engineering, [S. l.], v. 1, n. 3, p. 114–122, 2024. DOI: 10.61132/ijmecie.v1i3.29. Disponível em: https://international.aritekin.or.id/index.php/IJMECIE/article/view/29. Acesso em: 5 jul. 2025.