AHMADI BI RAHMANI, N.; WICAKSONO, M. F. Implementation of Income Tax (Pph) and Value Added Tax (PPN) in Personnel Operations of the Organizational Bureau of the Regional Secretary of North Sumatra Province. International Journal Of Education, Social Studies, And Management (IJESSM), [S. l.], v. 5, n. 1, p. 341–346, 2025. DOI: 10.52121/ijessm.v5i1.650. Disponível em: https://lpppipublishing.com/index.php/ijessm/article/view/650. Acesso em: 14 mar. 2025.