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 "University of Natal. School of Development Studies and Dunne, Nikki",The impact of environmental certification on the South African forest products supply chain,,"School of Development Studies (incorporating CSDS), University of Natal",2000,Research report,,1868403963,,https://cir.nii.ac.jp/crid/1130282268940624128