Oleksandr Pavlenko
Oleksandr V. Pavlenko (Kiev, Ukraine)
Oleksandr V. Pavlenko (Kiev, Ukraine)
Alisa S. Onipchenko (Kiev, Ukraine)
Valentyna Y. Vyaskalite (Kiev, Ukraine)
Zlata I. Shishman (Odessa, Ukraine)
Bogdan B. Kuziv (Ivano-Frankivsk, Ukraine)
Yegor V. Dulin (Lisichansk, Ukraine)