https://www.yasmeenabdrabou.com/test/yasmeen-abdrabou%2C-mohamed-khamis%2C-rana-mohamed-eisa%2C-sherif-ismail%2C-and-amrl-elmougy.-2019.-just-gaze-and-wave%3A-exploring-the-use-of-gaze-and-gestures-for-shoulder-surfing-resilient-authentication.-in-proceedings-of-the-11th-acm-symposium-on-eye-tracking-research-%26-applications-(etra-%E2%80%9919).-association-for-computing-machinery%2C-new-york%2C-ny%2C-usa%2C-article-29%2C-1%E2%80%9310.-doi%3Ahttps%3A%2F%2Fdoi.org%2F10.1145%2F3314111.3319837 2020-03-17