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 "정, 경희",2017 National survey of older Koreans : findings and implications,,Korea Institute for Health and Social Affairs,2018,Policy report,,9788968275074,,https://cir.nii.ac.jp/crid/1131412883849103241