Home›Books›Bulgaria) Nauchna konferent︠s︡ii︠a︡ "50 godini -- vrata kŭm obrazovanieto i prozoret︠s︡ kŭm sveta" (2013 SofiaBulgaria) Nauchna konferent︠s︡ii︠a︡ "50 godini -- vrata kŭm obrazovanieto i prozoret︠s︡ kŭm sveta" (2013 SofiaNo biography available.No works found.