LDR 00489naa#a2200157#i#450# 001 EN\RIOR\bibl\10840 005 20240329184819.5 011 ## _a2409-5087 100 ## _a20160401b2016####ek#y0engy0150####ca 101 0# _aRUS 102 ## _aRU 200 1# _aTHE EVOLUTION OF THE PROFESSIONAL ADMINISTRATOR’S STATUS IN MEDIEVAL RUSSIA ON AN EXAMPLE OF THE BOYAR DUMA _eJournal article 210 1# _aMoscow _cPublishing Center RIOR _d2016 215 ## _a7 с. 608 ## _aJournal article _2local 856 4# _ariorpub.com _u