SILALE , Joseph Jasai; LETTING , Nicholas K. Business Management and Entrepreneurship Challenges: Contemporary and Emerging Perspectives . African Journal of Education,Science and Technology (AJEST), [S. l.], v. 1, n. 3, p. pp 93–98, 2013. Disponível em: https://ajest.org/index.php/ajest/article/view/342. Acesso em: 3 apr. 2026.