skipe: britchenko_igor
https://ipea-pracownicy.uken.krakow.pl/pracownicy-up/britchenko/
https://www.vusi.bg/
mobile phone (Poland) +48 888 62-97-36
mobile phone (Bulgaria) +359 87 703-11-08
mobile phone (Greece): +30 693 486-67-70
mobile phone (Ukraine) +38 095 005 01 02