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Academic research articles for publication must be original and not submitted to multiple publications simultaneously.
Some journals strictly prohibit multiple papers from the same research, while others may allow it under specific conditions. Identifying duplicate content can be straightforward for identical texts but challenging when an author writes about their own research from different perspectives. After submission, journal editors will carefully compare relevant texts and ensure ethical publication practices are followed.
Check the University of Otago's Academic Integrity guidelines for more suggestions and resources regarding plagiarism and how to avoid it.