DR. ETHAN R. COLLINS. A Comprehensive Study of Strategic Business Promotion, Customer Engagement, and Competitive Market Positioning . Frontline Marketing, Management and Economics Journal, [S. l.], v. 6, n. 08, p. 1–8, 2026. Disponível em: https://frontlinejournals.org/journals/index.php/fmmej/article/view/1011. Acesso em: 14 aug. 2026.