GUERRILLA ADVERTISING AND CUSTOMER PATRONAGE OF ONLINE MARKETING FIRMS IN RIVERS STATE, NIGERIA. World Bulletin of Management and Law, [S. l.], v. 57, p. 55–65, 2026. Disponível em: https://www.scholarexpress.net/index.php/wbml/article/view/6045. Acesso em: 17 apr. 2026.