E. Okon, K. Oforji, and P. Udoh, “ISAAC BORO’S INVASION OF USAKEDET DURING THE NIGERIAN CIVIL WAR, 1967 – 1968”, AKSUJHGS, vol. 4, no. 1, pp. 131–146, Sep. 2025, doi: 10.60787/aksujhgs.vol4no1.9.