?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Nguyen%2C+Thi+Hien&rft.aulast=Nguyen&rft.aufirst=Thi+Hien&rft.date=1+August+2018&rft.isbn=978-604-9848-28-5&rft.title=Khai+th%C3%A1c+d%E1%BB%AF+li%E1%BB%87u+ng%C6%B0%E1%BB%9Di+d%C3%B9ng+%C4%91%C3%B3ng+g%C3%B3p+gi%C3%BAp+n%C3%A2ng+cao+hi%E1%BB%87u+qu%E1%BA%A3+th%E1%BB%B1c+thi+ph%E1%BA%A7n+m%E1%BB%81m&rft.btitle=T%E1%BB%91i+%C6%B0u+qu%E1%BA%A3n+tr%E1%BB%8B+tri+th%E1%BB%A9c+s%E1%BB%91&rft.tpages=500&rft.genre=bookitem