Suh Hillary Sama. 2020. “Some Water Masses Activities Within the Gurnee and Asian Gulfs: The Situation of Slavery and Slave Trade and Sea Piracy From the Nineteenth to the Twentieth Centuries”. Global Journal of Human-Social Science 20 (D2):21-32. https://socialscienceresearch.org/index.php/GJHSS/article/view/3213.