http://www.dailymail.co.uk/news/article-2456412/My-life-sweatshop-worker-Undercover-reporter-tells-crushing-work-terrible-pay-girl-boss-aged-just-NINE.html

https://www.commondreams.org/headline/2013/10/04-2

http://www.laborrights.org/creating-a-sweatfree-world/sweatshops

Looking at the case of Primark :

http://www.ethicalconsumer.org/commentanalysis/corporatewatch/primark.aspx