ONONOGBO MARTINS CHIBUZOR; ALAEFULE FIDELIS ODINAKACHUKWU. Quality Service Delivery and Sustainability of Beverage Firms in South-East Nigeria. Journal of African Innovation and Advanced Studies, Nigeria, v. 10, n. 2, 2025. DOI: 10.70382/ajaias.v10i2.060. Disponível em: https://africanscholarpub.com/ajaias/article/view/986.. Acesso em: 11 nov. 2026.