EDNA ADAGOGO-BROWN, D. . The Reign of King Douglas Jaja, Jeki IV, Amanyanabo of Opobo Kingdom in the Eastern Niger Delta, 1936-1980. Kashere Journal of Humanities, Management and Social Sciences, [S. l.], v. 4, n. 1, 2022. Disponível em: https://journals.fukashere.edu.ng/index.php/kjhmss/article/view/71. Acesso em: 9 may. 2024.