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 "Abdelhamid, Doha and Mahdī, ʿĀliyah",The small business informality challenge: lessons learned from country experiences and the road ahead of Egypt,,"Economic Research Forum for the Arab Countries, Iran & Turkey",1998,Working paper,,,,https://cir.nii.ac.jp/crid/1130282269309446784