著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL "Katcha, Abubakar",An exploratory demographic study of the Nupe of Niger state : the case of Sakpe Village,,"Development Studies Centre, The Australian National University",1978,MA in demography research series,,0909150605,,https://cir.nii.ac.jp/crid/1130000797088937472