OKEKE, MARTIN IFEANYI; EME OKECHUKWU I. CHALLENGES FACING ENTREPRENEURS IN NIGERIA. Singaporean Journal of Business Economics and Management, [S. l.], v. 3, n. (5), p. 18–34, 2014. Disponível em: https://www.singaporeanjbem.com/index.php/SJBEM/article/view/245. Acesso em: 13 oct. 2025.