ASSEN ZLATAROV UNIVERSITY

BOURGAS, BULGARIA

ANNUAL

           Vol. XXXVI, Book 1, 2007

             NATURAL SCIENCES

             TECHNICAL SCIENCES

             ECONOMIC SCIENCES

Vol. XXXVI, Book 2, 2007

 SOCIAL and humanitarian SCIENCES

          Vol. XXXV, Book 1, 2006

            NATURAL  SCIENCES

            TECHNICAL  SCIENCES

            ECONOMIC  SCIENCES

Vol. XXXV, Book 2, 2006

SOCIAL and humanitarian SCIENCES