TY  - BOOK
TI  - Izvestiya
SN  - 2367-6957
CY  - Bulgaria
KW  -  Economic theory. Demography
KW  -  Economics as a science
KW  - Social Sciences
UR  - https://doaj.org/toc/fa2c1503a8684e849fbaa225d3c571d8
ER  -