(Baltic Business News - 06/04/10; Dnevnik.bg - 05/04/10; EurActiv - 02/04/10; Banca Mondială - 01/04/10)
(Baltic Business News - 06/04/10; Dnevnik.bg - 05/04/10; EurActiv - 02/04/10; World Bank - 01/04/10)