1. ?????????? ???????????? ????? ? ????????, ?????;??????? ??;The Global Economic Crisis and Bulgaria,2010
2. Report for The President of Republic of Bulgaria 2009, The Global Financial and Economic Crisis and Bulgaria;?????? ?? ?????????? ?? ????????? ????????,2009
3. Eurostat
4. ?????????? ? ?????? ?? ???????????? ?????????, ???????? ?? ????, ?., 2006 (Marinov V., Openness and Growth of The National Economy;? ???????;Yearbook of UNWE,2006