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 "Lee, Kyung Hee and Jung, Jin Hwa and 産業研究院",Child-care services and private tutoring : a substitute for mother's time or complement?,,Korea Institute for Industrial Economics and Trade (KIET),2009,KIET occasional paper,,9788959922499,,https://cir.nii.ac.jp/crid/1130282273151774848