Extrapolasi has a policy of not publishing manuscripts containing plagiarism. As a preventative measure, we will do a plagiarism check for every manuscript sent to the editor. Manuscripts must be free of plagiarism content, the maximum limit of similarity is 20%. The manuscript will be rejected if it has major plagiarism, however, the author will be asked for clarification if the similarity is low of has minor plagiarism. For checking Plagiarism, manuscript will be screened plagiarism by using several plagiarism detection software (Turnitin).

If there are manuscripts that have been published and proven plagiarism, then sanctions will be reprimanded until the withdrawal of the manuscript.