Vidomi ta nevidomi postati ukraïno-bolharsʹkoï istoriï [Rezension von: Karaivanov, N.: Veliki i vidni ukrainci-bălgaroljubci. - Sofija, 2009. - 167 s.] = Known and unknown persons of Ukrainian-Bulgarian history : [Reference: Karaivanov, N.: Great and famous Uktainians, which have done to do something with Bulgaria. - Sofia, 2009. - 167 р.] - Bačynsʹka, Olena Anatoliïvna 1971-; Sereda, Oleksandr (2009)