Journal of kerbala university published since 2003 ( ISSN 1813-0410) is an open access journal.  JOK focused on promoting and publishing original high quality. JOK is an international scientific journal focusing on issues in many areas of science. A large number of manuscript inflows, reflects its popularity and the trust of world’s research community. All research papers submitted to JOK should be original in nature, never previously published in any journal or undergoing such process across the globe. All the submissions will be peer-reviewed by the panel of experts associated with JOK. Submitted papers should meet the internationally accepted criteria and manuscripts should follow the template of the journal for the purpose of both reviewing and editing. JOK updated four times a year.