Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) KARIYA Kota,The Classification and Enslavement of Unbelievers in Early Nineteenth-Century West Africa:,Journal of African Studies,00654140,Japan Association for African Studies,2016,2016,89,1-13,https://cir.nii.ac.jp/crid/1390282679322328192,https://doi.org/10.11619/africa.2016.89_1