How can you make an appeal for plagiarism in university?
Most universities have some sort of appeals process. She should be able to appeal this. She’ll need to speak with her academic advisor, or her academic dean, to find out what she needs to do next. But I don’t understand what you mean by “plagiarised unintentionally, meaning that you have used information failing to acknowledge that is is someone else’s ideas you’re expressing…” That sounds like she did plagiarise. She used someone else’s ideas. She didn’t site them. What was accidental about that? Did she mean to site them, but did not? That seems fishy. How could that have happened? She should very carefully consider these questions, because she needs to plan out what she should say in her appeal.
