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 International Labour Organisation. Iron and Steel Committee and International Labour Organisation. Sectoral Activities Programme and International Labour Office,Productivity improvement and its effects on the level of employment and working conditions in the iron and steel industry,,International Labour Office,1986,Report,,9221054985,,https://cir.nii.ac.jp/crid/1130000797320544128