“Historiography of Volunteer Activities in Ukraine in Times of Extreme Trials: Methodological Problems of Polydisciplinaryness. ”. V. N. Karazin Kharkiv National University Bulletin History of Ukraine. Ukrainian Studies: Historical and Philosophical Sciences, vol. 39, Dec. 2024, pp. 48-56, https://doi.org/10.26565/2227-6505-2024-39-05.