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 "Soemantri, S. and Soemartono and Prayitno, Ayik and Gadjah Mada University. Population Studies Center","Changes in health and family planning practice and demographic trends, Mojokerto, East Java, 1974-1978",,"Population Studies Center, Gadjah Mada University",1986,Working paper series,,,,https://cir.nii.ac.jp/crid/1130282269681269248