Our journals are published on line on web platform Open Journal Systems developed by PKP since we believe in freedom of sharing of scholarly content with respect of Creative Commons license that we used for our work. You can find our journals on OJS installation on our server. Each our journal has developed editorial policies, rules and guidelines for authors and reviewers. If you want to submit paper to our journals please read carefully their policies. We provide free of charge DOI for accepted articles, citation and other services in order to help authors to be more visible to the scientific community and larger scholar audiences worldwide. Our articles are indexed in CrossRef and other citation agencies.