Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
Vu Quy Nhân and United Nations. Economic and Social Commission for Asia and the Pacific,Viet Nam : knowledge and attitudes of grassroots family planning workers about contraceptive methods,,"Economic and Social Commission for Asia and the Pacific,United Nations",1989,Asian population studies series,,,,https://cir.nii.ac.jp/crid/1130000794244734720