?url_ver=Z39.88-2004&rft_id=10.1109%2FSCOReD53546.2021.9652700&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Hussain%2C+A.&rft.aulast=Hussain&rft.aufirst=A.&rft.title=Least+Square+QR+Decomposition+Method+for+Solving+the+Inverse+Problem+in+Functional+Near+Infra-Red+Spectroscopy&rft.date=2021&rft.isbn=9781665401937&rft.genre=proceeding