Robuta

https://www.ocu.org/inversiones/invertir/acciones/analisis/2007/01/schnitzer-steel-industries

https://www.industryweek.com/leadership/companies-executives/article/22007838/scrapping-with-the-chinese-schnitzer-steel-industries

https://www.ocu.org/inversiones/invertir/acciones/analisis/2008/11/schnitzer-steel-industries

https://www.ocu.org/inversiones/invertir/acciones/analisis/2009/07/schnitzer-steel-industries