01010nas 2200373 c 450 991089539660332120200602102513.02534-9651(CKB)4100000009838280(DE-101)1210584433(DE-599)ZDB3023213-2(EXLCZ)99410000000983828020200520a20189999 |y |bulur|||||||||||txtrdacontentcrdamediacrrdacarrierGodišnik "Ikonomika i biznes"[...]Departament "Ikonomika"SofijaNov bălgarskij universitet[2018]-Online-RessourceIkonomika i biznesEconomy and business yearbookZeitschriftgnd-content3303806500012DE-1010012JOURNAL9910895396603321Godišnik "Ikonomika i biznes"4261623UNINA