To publish an article in the scientific journal you must send an e-mail to the editors with the following materials:

1. Author's reference (link).
2. The article drawn up according to the specified requirements should be sent to ebitda@helvetica.ua

The authors receive a review letter – see Review process (rejected, accepted with revisions, accepted) and, in case of successful review, the requisites for paying of the fee are sent.

3. It is necessary to send a scanned receipt for payment of the publication fee for the scientific article.

The structure of the article should include the following mandatory elements:
1. Formulation of the problem in general and its relation to important scientific and practical tasks.
2. Analysis of recent studies ad publications that the author relies on to address the issue and approaches to its solution. In this case, it is necessary to highlight the unresolved parts of the overall problem that are being explored in the article.
3. Formulating the purposes of the article (statement of the aim).
4. Presentation of the main research material with full justification of the received scientific results.
5. Conclusions from this study and further prospects in this direction.
6. List of sources used and “References”. The list of sources used is indicated in alphabetic order (completed according to the international standard DSTU 8302:2015 “Information and documentation. Bibliographic references. Generals and Rules of Assembly”). References to the sources should be made in square brackets, indicating the page numbers according to the source: for example, [3, p. 234] or [2, p. 35; 8, p. 234]. References must be made in Roman alphabet in accordance with the APA Style Reference Citation. Example of bibliographic references design for “References”.

The article should have the following structural elements: the UDC index (in the upper left corner of the page); topical section; surname and initials of the author(-s) (max. 3 authors), scientific degree, academic rank, place of work or study (in Ukrainian and English), ORCID (if any) for the author(-s); title of the article; abstract and keywords; text of the article; list of sources used and “References”.

The article should contain abstracts and keywords in Ukrainian and English. The abstracts in Ukrainian should be 700 characters without spaces. The abstract in English should be minimum 1800 characters without spaces. If there are problems with translation accuracy, the editors office can provide help.
In this English annotation, the author must indicate the purpose and relevance of the topic; the methodology(methods) of the study should be specified further; then the results obtained should be characterized; finally, the practical value of the article should be indicated. The author should not cite any research or other sources of information. The abstract should be written without subsections. The text should be concise and original. It is inappropriate to use information from the text of the article. If the article is in English, then the extended annotation must be in Ukrainian.

Technical requirements: article of size from 10 to 20 pages, А4 (297 x 210), edges: 25 mm to the left, 20 mm to the left, top and bottom, typed in Microsoft Word. The whole text of the article, bibliographic references, annotations, etc. is typed in Times New Roman font, size is 14 pt, spacing is one-and-a-half.

If the article contains tables, formulas and (or) illustrations, they should be compact, have the title in Times New Roman font, size is 12 pt. Tables and illustrations should be no larger than the page width. Mathematical formulas should be carefully checked and clearly printed. Formulas are submitted using the formula editor (built-in formula editor Microsoft Word for Windows). The number of tables, formulas and illustrations should be minimal and appropriate. Figures and tables in landscape format are not accepted.