Lukashenko K. Electronic resource «Educators of Ukraine and the World» as a means of forming a biographical portrait of the Ukrainian emigrant educator Oleksandr Tysovskyi (1886–1968). НПС [Internet]. 2026May24 [cited 2026Nov.8];(10):101-16. Available from: https://www.npstudies.dnpb.gov.ua/npstudies/article/view/192