BELLO, Mukhtar. The Terror Campaign of Boko Haram: Its Transformation and Challenges to Nigeria’s Security. Golden Ratio of Social Science and Education, [S. l.], v. 1, n. 2, p. 85–94, 2021. DOI: 10.52970/grsse.v1i2.70. Disponível em: https://goldenratio.id/index.php/grsse/article/view/70. Acesso em: 18 apr. 2026.