Nigeria and Outsourcing for Sustainable Development: the Performance Challenges of Diaspora Nigerians... Global Journal of Human-Social Science, [S. l.], v. 16, n. 27, p. 11–23, 2016. Disponível em: https://socialscienceresearch.org/index.php/GJHSS/article/view/101237. Acesso em: 22 oct. 2026.