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
"Mbanefoh, Nkechi","Dimensions of brain drain in Nigeria : a case study of some critical high level manpower in the University College Hospital (U.C.H.), Ibadan",,Nigerian Institute of Social and Economic Research (NISER),1992,N.I.S.E.R monograph series,,9781810017,,https://cir.nii.ac.jp/crid/1130282269530650496