User talk:196.15.23.6

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) 10:05, 5 May 2017 (UTC)

Please do not add or change content without citing a reliable source. Please review the guidelines at Citing sources and take this opportunity to add references to the article. Thank you. Materialscientist (talk) 10:13, 5 May 2017 (UTC)

April 2021
Hello, I'm SunDawn. I wanted to let you know that one or more of your recent contributions&#32;to Rohit Sardana have been undone because they did not appear constructive. If you would like to experiment, please use the sandbox. If you have any questions, you can ask for assistance at the Teahouse. Thanks. SunDawn (talk) 10:53, 30 April 2021 (UTC)