STEYN, Charles Edmund; GROENEWALD, Helen Patricia. DIGITAL BILLBOARDS AND BEYOND: HOW THE 4TH INDUSTRIAL REVOLUTION IS RESHAPING OUTDOOR ADVERTISING. Ayden Journal of Management and Social Sciences, [S. l.], v. 10, n. 2, p. 10–29, 2024. Disponível em: https://aydenjournals.com/index.php/AJMSS/article/view/292. Acesso em: 23 aug. 2025.