Research on the construction of big data ecological marketing system based on knowledge innovation and technological progress. Lex localis - Journal of Local Self-Government, [S. l.], v. 23, n. 6, 2025. DOI: 10.52152/800104. Disponível em: http://lex-localis.org/index.php/LexLocalis/article/view/889-049. Acesso em: 11 oct. 2025.