Avhustiuk M, Tymeichuk I, Konopka N, Sakhniuk O, Balashov E. Online studying instructional measures at the International Relations Department of the National University of Ostroh Academy. JECS [Internet]. 2021 Jun. 17 [cited 2024 May 18];12(1):322-34. Available from: https://jecs.pl/index.php/jecs/article/view/1259