Zhelyazkova, D. Sustainable Development of Bulgaria's Transport System. Svishtov: Tsenov Academic Publishing House, 2017 pp. 76 - 123, ISSN 1314-3123 (Print) ; ISSN 2534-9457 (Online).
Zhelyazkova, D. Sustainable Development of Bulgaria's Transport System. Svishtov: Tsenov Academic Publishing House, 2017 pp. 76 - 123, ISSN 1314-3123 (Print) ; ISSN 2534-9457 (Online).
Zhelyazkova, D. (2017) Sustainable Development of Bulgaria's Transport System, Svishtov: Tsenov Academic Publishing House pp. 76 - 123, ISSN 1314-3123 (Print) ; ISSN 2534-9457 (Online).
Zhelyazkova, D. (2017). Sustainable Development of Bulgaria's Transport System. Economics 21 = Икономика 21, Tsenov Academic Publishing House (2), pp. 76 - 123.
Zhelyazkova D. Sustainable Development of Bulgaria's Transport System. Economics 21 = Икономика 21. 2017; (2): pp. 76 - 123. ISBN: ISSN 1314-3123 (Print) ; ISSN 2534-9457 (Online).
