User talk:Kaqqq

November 2016
Hello, I'm Adam9007. I noticed that you made a change to an article, Perovskite solar cell, but you didn't provide a source. I’ve removed it for now, but if you’d like to include a citation to a reliable source and re-add it, please do so! If you think I made a mistake, or if you have any questions, you can leave me a message on my talk page. Thanks. Adam9007 (talk) 19:53, 7 November 2016 (UTC)