Dr Okonkwo C. Eze, et al. “THE INDIGENOUS ALIENS: THE CASE OF THE IGBO IN NIGERIA, 1953 – 2013”. PalArch’s Journal of Archaeology of Egypt Egyptology, vol. 18, no. 08, July 2021, pp. 2603-16, https://archives.palarch.nl/index.php/jae/article/view/9207.