User talk:187.207.111.131

January 2023
Hello, I'm Materialscientist. I noticed that you made a change to an article, Rubén Albarrán, 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. Materialscientist (talk) 23:50, 27 January 2023 (UTC)

Please do not add or change content, as you did at Rubén Albarrán, without citing a reliable source. Please review the guidelines at Citing sources and take this opportunity to add references to the article. Thank you. Schminnte (talk • contribs) 21:43, 30 January 2023 (UTC)