KUBANEK, A. J. Hidden advertisements used in influencer marketing as an anti-competitive practice and unfair business practice. Studia Prawnoustrojowe, [S. l.], n. 61, 2023. DOI: 10.31648/sp.9011. Disponível em: https://czasopisma.uwm.edu.pl/index.php/sp/article/view/9011. Acesso em: 22 jul. 2024.