The role of social media systems in driving marketing efficiency and business profitability:  A case of the Automobile sector of the UK. Leadership, Education, Personality: An Interdisciplinary Journal, ISSN: 2524-6178, [S. l.], v. 20, n. 2, p. 27–46, 2025. DOI: 10.1366/ndht2h42. Disponível em: https://sibe.rpress.co.in/index.php/jimr/article/view/828.. Acesso em: 21 feb. 2026.