Ismaila MY, Oziohu IB. Brand Ambassador and Customer Patronage of FMCGs: Mediating Effect of Advertisement Believability. business [Internet]. 30 de diciembre de 2021 [citado 16 de agosto de 2026];13(1):19-34. Disponible en: http://revistas.up.edu.pe/index.php/business/article/view/1628