Online Student Authentication and Proctoring System Based on Multimodal Biometrics Technology Labayen, Mikel ; Vea, Ricardo ; Florez, Julian ; Aginako, Naiara ; Sierra, Basilio Abstract Publication: IEEE Access Pub Date: 2021 DOI: 10.1109/ACCESS.2021.3079375 Bibcode: 2021IEEEA...972398L