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
"Liviga, Athumani Juma and Mekacha, Rugatiri D. K.",Youth migration and poverty alleviation : a case study of petty traders (Wamachinga) in Dar es Salaam,,Research Programme on Poverty Alleviation,1998,Research report,,,,https://cir.nii.ac.jp/crid/1130000796853137024