All article must be free from plagiarism contents. Jurnal Varian editors will ensure that every published article will not exceed 25% similarity score. When plagiarism is identified, the Editor in Chief is responsible to give a warning to the author(s) and a request to change the text and to quote correctly the original article was made. If the author dosen't do the request within 2 weeks, the article submited will be reject imdiately.