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
"Sumra, Suleman",Problems of agricultural production in ujamaa villages in Handeni District,,"Economic Research Bureau, University of Dar es Salaam",1975,E.R.B. paper,,,,https://cir.nii.ac.jp/crid/1130000797699664384