Yochkolovska, K., Йочколовска, К. European social insurance systems. София: Univ. publ. Stopanstvo, 2011 138-164,.
Yochkolovska, K., Йочколовска, К. European social insurance systems. София: Univ. publ. Stopanstvo, 2011 138-164,.
Yochkolovska, K., Йочколовска, К. (2011) European social insurance systems, София: Univ. publ. Stopanstvo 138-164,.
Yochkolovska, K., & Йочколовска, К. (2011). European social insurance systems. Case studies in finance and economics (с. 138-164). София: Univ. publ. Stopanstvo.
Yochkolovska K, Йочколовска К. European social insurance systems. София: Univ. publ. Stopanstvo; 2011. p. 138-164.