21ST CENTURY CHALLENGES AND OPPORTUNITIES IN BUSINESS AND ENTREPRENEURSHIP INSTRUCTIONAL DELIVERY IN PUBLIC UNIVERSITIES IN ENUGU STATE, NIGERIA. NAU Journal of Technology and Vocational Education, [S. l.], v. 10, n. 2, 2025. Disponível em: https://journals.unizik.edu.ng/naujtved/article/view/6968. Acesso em: 24 jun. 2026.