1. Iammarino, S., and C. Pitelis. 2000. "Foreign Direct Investment and Less Favoured Regions: Greek FDI in Bulgaria and Romania." Global Business Review 1, no. 2: 155-171.
2. Institute for Development Research and Alternatives (IDRA). 2001. "Analyses of Problems Faced by Foreign Firms in Albania, Bulgaria, Macedonia." Institute for Development Research and Alternatives Project "Foreign Direct Investment in Balkan Countries: Alternatives to Reduce Existing Barriers." Tirana, Albania (available at http://www.southeasteurope.org/documents/Analysis-english-Yalamov.doc
3. KPMG. 1998. "Foreign Investors in Bulgaria, Survey 1998." Sofia, Bulgaria, July 15.
4. Labrianidis, L. 1997a. "The Opening of the Balkan Markets and Consequent Economic Problems in Greece." Modern Greek Studies Yearbook 12-13: 211-235.
5. Labrianidis, L. 1997b. "The Openness of the Greek Enterprises in the Balkans May Lead in Undermining of the Economic Development of Greece." Survey of Political Science 9 (April): 65-101.