?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Bui%2C+Dinh+Tu&rft.aulast=Bui&rft.aufirst=Dinh+Tu&rft.issn=2525-2518&rft.atitle=STRUCTURAL%2C+MAGNETIC+AND+ELECTRICAL+PROPERTIES+OF+Ho+AND+Ni+CO-DOPED+BiFeO3+MATERIALS&rft.title=Vietnam+Journal+of+Science+and+Technology&rft.genre=article