TUTAH TONYE (PH.D), C. MARKETING INFORMATION SYSTEM AND MARKETING PERFORMANCE OF FOOD AND BEVERAGE FIRMS IN PORT HARCOURT. BW Academic Journal, [S. l.], p. 19, 2023. Disponível em: https://mail.bwjournal.org/index.php/bsjournal/article/view/1657. Acesso em: 19 apr. 2026.