?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Tran%2C+Cao+Quyen&rft.aulast=Tran&rft.aufirst=Cao+Quyen&rft.date=4+June+2019&rft.issn=1859-3585&rft.atitle=NORMAL+MODE+vs+PARABOLIC+EQUATION+AND+THEIR+APPLICATION+IN+TONKIN+GULF&rft.title=Journal+of+Science+and+Technology&rft.genre=article