Hafiz Burhan Ul Haq, Akifa Abbas, Muhammad Amjad Khan, Memoona, & Sabreena Nawaz. (2021). Biometric Attendance Techniques in COVID-19: A Review: Hafiz Burhan Ul Haq, Akifa Abbas, Muhammad Amjad Khan, Memoona, Sabreena Nawaz. International Journal for Electronic Crime Investigation, 5(4), 35-44. https://doi.org/10.54692/ijeci.2022.0504144