TY - JFULL ID - 20139243 TI - Problems of Economy PY - SN - 22220712 23111186 DB - UniCat KW - finance KW - regional economy KW - world economy KW - national economy KW - mathematical modeling KW - management KW - Finance KW - Economics UR - https://www.unicat.be/uniCat?func=search&query=sysid:20139243 AB - ER -