For today the journal is presented in:
2. ResearchBib — the international multidisciplinary database of scientific journals including descriptions of journals of more than 5400 publishers (link).
3. Polish Scholarly Bibliography (PBN) — is a portal of the Polish Ministry of Science and Higher Education, collecting information on publications of Polish scientists and Polish and foreign scholarly journals. PBN is a part of POL-on - The System of Information on Higher Education (link).
4. Electronic Journals Library. Electronic Journals Library since 1997. within the framework of the University Library of Regensburg, in collaboration with the Library of the Technical University of Munich offers a fast, structured and unified access (in English and German) to scientific full-text journals. It includes 76,419 titles, of which 13,923 journals in all fields of knowledge is published only in electronic form. 45575 journals are freely available in full-text version. Full access to all publications are institutions involved in the project (link).
5. Bielefeld Academic Search Engine (BASE) — search service (Germany), which is one of the most powerful suppliers of up-to-date data on scientific publications of European scientists. More details on publications can be found here (link).
6. CrossRef — is an independent organization formed in 2000 at the initiative of a group of scientific publishers. Currently, the database contains several tens of millions of publications from scientific journals of almost all countries of the world. The Digital Object Identifier (DOI) is a system for determining scientific content on the Internet. The DOI system provides a framework for continuous identification, metadata management, user communication with content providers. DOI makes it easier for users (readers) to search for the original (source) of a scientific publication. The technology and the DOI identifier using the CrossRef database allows you to access the originals of scientific articles by their metadata posted on the Internet. The DOI identifier always remains unchanged, as it is tied to the URL of the scientific work. The prefix of the Publishing house "Internauka" is 10.25313, by which you can find us in the list of affiliates on the Crossref website.