Requirements for references

The percentage of self-citation can not be more than 20%.

References – is given in the order of citation (without repeats) and is manually numbered. The list should contain only those references which are in the text. There must be a link to the latest domestic and foreign research. References in the article to used materials are made in square brackets. References is designed in accordance with the international style of the publication of scientific publications APA (American Psychological Association) style. The names of periodicals (journals) are given in accordance with the official Latin spelling of the registration number ISSN. The designation of the original language (for example: [in Ukrainian]) and the DOI numeric identifier (if it is available) should be added to the source.