Lazar, D., Ruset, C. Economic efficiency of Romanian tourism from the regions neighboring the Danube River. Русенски унив. А. Кънчев, 2006 с. 151-153,.
Lazar, D., Ruset, C. Economic efficiency of Romanian tourism from the regions neighboring the Danube River. Русенски унив. А. Кънчев, 2006 с. 151-153,.
Lazar, D., Ruset, C. (2006) Economic efficiency of Romanian tourism from the regions neighboring the Danube River, Русенски унив. А. Кънчев с. 151-153,.
Lazar, D., & Ruset, C. (2006). Economic efficiency of Romanian tourism from the regions neighboring the Danube River. Русенски унив. А. Кънчев, с. 151-153.
Lazar D, Ruset C. Economic efficiency of Romanian tourism from the regions neighboring the Danube River. Русенски унив. А. Кънчев; 2006. p. с. 151-153.