The MM Science Journal (ISSN 1803-1269 (print) and ISSN 1805-0476 (on-line)), published since 2008, is world respected open access scientific journal. The journal, published in English, is double peer reviewed and competitive in distributing knowledge among domestic and international academics and professionals. The journal is published 5x times a year in 8 500 pcs printing per one journal. MM Science Journal is indexed in Web of Science, Scopus and Ebsco. In the course of 2020, a total of 90 scientific papers were submitted to the review process of MM Science Journal. Due to recommendation of reviewers, 16 papers were returned for a larger-scope revision and later after re-work reviewed again and accepted for publication. (Note: The number of articles was lower than in previous years due to the covid-19 pandemic.) The editorial staff strictly respects publication ethic & malpractice.