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* The journal is published by Info Invest, Bulgaria with the support of the Science & Education Foundation.

** All research articles in this journal have undergone rigorous peer review, based on initial editor screening and anonymized refereeing by at least two referees. *** The journal has an ISSN:1313-2555 given by the National Agency for International Serial Number at the St St Cyril and Methodius National Library, Sofia, Bulgaria.