%0 Journal Article
%T §«§à§Ó§Ü§à§Ó: §á§à§Ô§Ý§Ö§Õ §á§â§Ö§Ù §Õ§à§Ü§å§Þ§Ö§ß§ä§Ñ
%J Journal Publisher
%D 2009
%U http://journals.uni-vt.bg/izdatel/eng/vol11/iss2/8