If there is an error(s), the article that has been published in SemestaEdu Journal can be corrected and retracted with the statement from the author(s) and the approval from the editor. There are two types of corrections: major correction and minor correction. The article will be replaced with the corrected version of the article, both in large and small scales. Major correction must be accompanied by the statement of the author(s). Meanwhile, if there are ’fatal’ findings, e.g., data forgery and plagiarism, the retraction of the article will be carried out by following COPE Retraction Guidelines.