BEATRICE ETIM EKPENYONG; PROF. NSINI AKPAN; UTIBE-ABASI DAVID ETOK. MARKETING MIX AND SUSTAINABILITY OF MEDIUM SCALE ENTERPRISES IN AKWA IBOM STATE. UNIUYO JOURNAL OF BUSINESS EDUCATION AND ENTREPRENEURSHIP, [S. l.], v. 3, n. 2, p. 1–9, 2026. Disponível em: https://ujbee.com/index.php/UJBEE/article/view/51. Acesso em: 20 oct. 2026.