UZOMA, CHUKWUEMEKA HENRY; ONWUNEME, UGONNA PRISCA. LEADERSHIP PROBLEMS AND VIABILITY OF TRANSPORT FIRMS IN SOUTH-EAST NIGERIA. International Journal of Environmental Research and Earth Science, Nigeria, v. 7, n. 4, 2025. DOI: 10.70382/caijeres.v7i4.008. Disponível em: https://cambridgeresearchpub.com/ijeres/article/view/514.. Acesso em: 26 oct. 2025.