The Importance of Applying Lean Innovation for Enhancing Harmonization of Customs Procedures in context of Digitalization of Customs Administration – A Case Study of Serbia. Lex localis - Journal of Local Self-Government, [S. l.], v. 19, n. 2, p. 305–327, 2021. DOI: 10.4335/19.2.305-327(2021). Disponível em: https://lex-localis.org/index.php/LexLocalis/article/view/1498. Acesso em: 16 sep. 2025.