plagiarism: self-plagiarism

plagiarism is a serious debate in scientific community and in recent years has been in the center of interest in academic and scientific communities. plagiarism is considered as an unethical and improper act, because it constitutes theft from an intellectual work. self-plagiarism is considered as a sort of plagiarism and is defined as an improper release of information as a new idea, or using main or a part of self article which previously has been published. there are still doubts in definition of self-plagiarism as theft, fraud and abuse or plagiarism and whether or not such penalties are required, it has been introduced as plagiarism in several studies but in some cases, this view was rejected. multiple and different definitions are presented for plagiarism, such as republishing articles in other journals or publishing with changes and introducing it as a new article. sometimes it has been introduced as using phrases, sentences and a part of a previously published article without reference. however, it is clear that self plagiarism is not acceptable to the scientific community, and the authors of this paper believed that using ones own previous works, without proper citation is an instance of plagiarism. therefore, it is necessary that researchers do not summarize this subject merely as the improper use of words and sentences, and in addition to proper referencing of their works, avoid publishing previous articles as new ideas and dividing data into several articles. this study aimed to present and summarize the views of the authors and editors in published papers in national and international journals for students and scholars, especially for young scholars.