VERTICAL DIVERSIFICATION AND ORGANIZATIONAL COMPETITIVENESS OF MANUFACTURING COMPANIES IN SOUTH EAST, NIGERIA. Journal of the Management Sciences, [S. l.], v. 60, n. 4, p. 171–188, 2024. Disponível em: https://journals.unizik.edu.ng/jfms/article/view/3647. Acesso em: 10 may. 2025.