MONTEH, R. N. “FRONTIERS TRANSGRESSIONS AND THE EVOLUTION OF ILLEGAL PRACTICES IN THE CENTRAL AFRICAN STATES BEFORE THE ADVENT OF BOKO HARAM INSURGENT: A HISTORICAL STUDY DURING RECENT TIMES”. PEOPLE: International Journal of Social Sciences, vol. 4, no. 3, Feb. 2019, pp. 1573-89, doi:10.20319/pijss.2019.43.15731589.