BOKO-HARAM INSURGENCE IN NIGERIA: THE CHALLENGES AND LESSONS. Singaporean Journal of Business Economics and Management, [S. l.], v. 1, n. (4), p. 1–15, 2012. Disponível em: https://singaporeanjbem.arabianjbmr.com/index.php/SJBEM/article/view/23. Acesso em: 26 jul. 2026.