Nowak D. Bogdan Horbal et al., Bortne – Selo z Kaminja/ Bortne – Selo z Kaminia: vol. 1-2, Yzdatel’stvo «Myr y Obrazovanye», The Carpathian Institute, Higganum, Connecticut 2017, vo. RocznikRuskiejBursy [Internet]. 2020 Jan. 27 [cited 2024 Apr. 25];16:283-8. Available from: https://journals.akademicka.pl/rrb/article/view/2359