00613naa#a2200169#i#4500001001500000005001700015011001400032100004100046101000800087102000700095200013200102210013200234215001000366608002700376700002500403856001500428EN\\bibl\1896220240903195653.2##a2312-4431##a20171228b2017####ek#y0engy0150####ca0#aRUS##aRU1#aPROFESSIONAL ADVANCEMENT OF TEACHERS IN THE CONTEXT OF EDUCATIONAL ACTIVITY: CONCEPTUAL AND MANAGERIAL ASPECTSeJournal article1#aCheboksarycNon-state educational private institution of additional professional education "Expert-methodological centre"d2017##a6 с.##aJournal article2local#1aLegostaevgBogdan L.4#anaukaru.ru