Angielski.doi -

: In many Polish academic reports, "j. angielski, DOI: [link]" simply indicates that a publication is in the English language and provides its unique scholarly identifier. Features of the DOI registrar – Crossref

: A persistent alphanumeric string (e.g., 10.1016/j... ) that provides a permanent link to a journal article or digital object. angielski.doi

: To ensure a game installs in English, the angielski.doi file must be placed in the same folder as the setup.exe before running the installer. Potential Confusion with DOI (Digital Object Identifier) : In many Polish academic reports, "j

While the filename contains "doi," it is unrelated to the used in academic publishing. : In many Polish academic reports