Turnitin is used as a tool to check plagiarism were the results of checking plagiarism in Komputika: Jurnal Sistem Komputer with a tolerance of lower than 20%. The full-text of each article submitted will be checked and returned back to the author if the Turnitin results are > 20%. Then the author is required to revise it until the Turnitin results are ≤ 20%. The duration of checking is only done twice for each article submitted.