Zaharieva, G., Sarkisyan, K. Bulgarian-Russian Trade Developments During the Period 2009-2014. Varna: Univ. Publ. House Sciense a. Economics, 2015 8 p.
Zaharieva, G., Sarkisyan, K. Bulgarian-Russian Trade Developments During the Period 2009-2014. Varna: Univ. Publ. House Sciense a. Economics, 2015 8 p.
Zaharieva, G., Sarkisyan, K. (2015) Bulgarian-Russian Trade Developments During the Period 2009-2014, Varna: Univ. Publ. House Sciense a. Economics 8 p.
Zaharieva, G., & Sarkisyan, K. (2015). Bulgarian-Russian Trade Developments During the Period 2009-2014. Varna: Univ. Publ. House Sciense a. Economics, 8 p.
Zaharieva G, Sarkisyan K. Bulgarian-Russian Trade Developments During the Period 2009-2014. Varna: Univ. Publ. House Sciense a. Economics; 2015. p. 8 p.