?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Mai%2C+Manh+Trung&rft.aulast=Mai&rft.aufirst=Manh+Trung&rft.issue=3&rft.volume=9&rft.date=May+2020&rft.issn=ISSN+2278-3091&rft.atitle=Proposing+an+Elliptic+Curve+Cryptosystem+with+the+Symmetric+Key+for+Vietnamese+Text+Encryption+and+Decryption&rft.title=International+Journal+of+Advanced+Trends+in+Computer+Science+and+Engineering&rft.pages=4158-4162&rft.genre=article