USABILITY EVALUATION OF MOBILE MULTI-FACTOR AUTHENTICATION BASED ON FACE AUTHENTICATION, GEOLOCATION AND QR CODE. jitk [Internet]. 22 November 2024 [dikutip 11 Februari 2026];10(2):425-32. Tersedia pada: https://ejournal.nusamandiri.ac.id/index.php/jitk/article/view/5970