@article{oai:toyo-bunko.repo.nii.ac.jp:00007634,
 author = {NOGUCHI, Maiko and NOGUCHI, Maiko},
 journal = {Memoirs of the Research Department of the Toyo Bunko},
 month = {},
 pages = {137--158},
 title = {Evolution of the Oath of Allegiance (bay‘a) as Justification for Rule during the Almoravids},
 volume = {79},
 year = {2021}
}