Jonah Akpan, Uwem, and Susan Ikwo Iseyen. “Aspects of Pre-Colonial Economic Diplomacy in the Lower Cross River Region: DOI: 10.36108 IJSI 2202.11.0110”. Ibom Journal of Social Issues 11, no. 1 (April 1, 2022): 1. Accessed April 27, 2024. https://ijsi.org.ng/index.php/home/article/view/19.