(2007). Bulgarian journal of science and education policy. University of Sofia in collaboration with SCS-Consulting Ltd.
Chicago-čujuhus (17. p.)Bulgarian Journal of Science and Education Policy. Sofia, Bulgaria: University of Sofia in collaboration with SCS-Consulting Ltd, 2007.
MLA-čujuhus (9. p.)Bulgarian Journal of Science and Education Policy. University of Sofia in collaboration with SCS-Consulting Ltd, 2007.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.