The editor board determined that all manuscripts submitted to Mimbar Sekolah Dasar journal must be plagiarism-free. All manuscripts will be checked for their originality and similarity percentage before the review process is carried out. The manuscripts with a percentage of similar content below or equivalent to 15% will be forwarded for processing by the reviewers. Meanwhile, manuscripts with a percentage of content similarity above 15% will instantly be rejected. The editors of Mimbar Sekolah Dasar journal check the plagiarism detection of the articles in this journal using Turnitin software.