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 "Nigerian Institute of Social and Economic Research and Olakanpo, Obasanmi",A statistical analysis of some determinants of entrepreneurial success : a Nigerian case study,,The Ibadan University Press,1969,N. I. S. E. R. Reprint series,,,,https://cir.nii.ac.jp/crid/1130000794708964992