User talk:Deeku d15
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Hello, I'm Materialscientist. I noticed that you made a change to an article, but you didn't provide a reliable source. It's been removed and archived in the page history for now, but if you'd like to include a citation and re-add it, please do so! If you need guidance on referencing, please see the referencing for beginners tutorial, or if you think I made a mistake, you can leave me a message on my talk page. Thank you. Materialscientist (talk) 09:47, 11 June 2016 (UTC)
Please stop adding unsourced content. This contravenes Wikipedia's policy on talk) 09:22, 14 June 2016 (UTC)