Слоньовська, О. В. . “THE SCHOLAR’S SELFLESS DEVOTION: VOLODYMYR KACHKAN – 75!”. PRECARPATHIAN BULLETIN OF THE SHEVCHENKO SCIENTIFIC SOCIETY Word, no. 2(30), Sept. 2020, pp. 593-6, https://pvntsh.nung.edu.ua/index.php/word/article/view/1393.