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Thank you for your contributions to Wikipedia. It appears that you copied text from Perovskite solar cell to Calcium titanate (your addition has since been removed). While you are welcome to re-use Wikipedia's content, here or elsewhere, Wikipedia's licensing does require that you provide attribution to the original contributor(s). When copying within Wikipedia, this is supplied at minimum in an edit summary at the page into which you've copied content. It is good practice, especially if copying is extensive, to also place a properly formatted {{copied}} template on the talk pages of the source and destination. If you have copied material between pages before, even if it was a long time ago, please provide attribution for that duplication. You can read more about the procedure and the reasons at Wikipedia:Copying within Wikipedia. Thank you. — Diannaa (talk) 12:38, 17 September 2020 (UTC)[reply]
Thank you for your contributions to Wikipedia. It appears that you copied text from Perovskite solar cell to Calcium titanate (your addition has since been removed). While you are welcome to re-use Wikipedia's content, here or elsewhere, Wikipedia's licensing does require that you provide attribution to the original contributor(s). When copying within Wikipedia, this is supplied at minimum in an edit summary at the page into which you've copied content. It is good practice, especially if copying is extensive, to also place a properly formatted {{copied}} template on the talk pages of the source and destination. If you have copied material between pages before, even if it was a long time ago, please provide attribution for that duplication. You can read more about the procedure and the reasons at Wikipedia:Copying within Wikipedia. Thank you. — Diannaa (talk) 12:38, 17 September 2020 (UTC)