PETERSONE, Mara; KETNERS, Karlis. Performance improvements of tax and customs authorities. Case study: Latvia. International Scientific Conference “Business and Management”, [S. l.], v. 9, p. 1–9, 2016. DOI: 10.3846/bm.2016.01. Disponível em: https://conferences.vilniustech.lt/index.php/BM/article/view/608. Acesso em: 13 sep. 2026.