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 "Yuen, Fong Kwok",An empirical analysis of the effects of income and education on fertility in Malaysia : the threshold hypothesis,,Council for Asian Manpower Studies,1981,Discussion paper series,,,,https://cir.nii.ac.jp/crid/1130000793859182464