著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) P.V.C. Okoye and Raymond A. Ezejiofor,The Effect of Human Resources Development on Organizational Productivity,International Journal of Academic Research in Business and Social Sciences,2222-6990,Human Resources Management Academic Research Society (HRMARS),2013-10-20,3,10,,https://cir.nii.ac.jp/crid/1361699995903502336,https://doi.org/10.6007/ijarbss/v3-i10/295