LDR 00451naa#a2200157#i#450# 001 EN\INFRA-M\bibl\5268 005 20240424094223.3 011 ## _a2306-1731 100 ## _a20150317b2015####ek#y0engy0150####ca 101 0# _aRUS 102 ## _aRU 200 1# _aPortfolio As Students’ Research Skills Development Method _eJournal article 210 1# _aMoscow _cINFRA-M Academic Publishing LLC. _d2015 215 ## _a3 с. 608 ## _aJournal article _2local 856 4# _ariorpub.com _u