?url_ver=Z39.88-2004&rft_id=10.1109%2FICCOINS49721.2021.9497213&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=S.N.&rft.aulast=Khairuddin&rft.au=Khairuddin%2C+S.N.&rft.isbn=9781728171517&rft.date=2021&rft.title=Challenges+in+Requirement+Management+Process%3A+An+Overview&rft.genre=proceeding