Ramanov Muxiddin Xamrobekovich (2025) “Design and Implementation of a Secure IoT-Blockchain Integrated System for Real-Time Attendance Verification”, SAMARALI TA’LIM VA BARQAROR INNOVATSIYALAR JURNALI, 3(5), pp. 675–683. Available at: https://innovativepublication.uz/index.php/jelsi/article/view/3190 (Accessed: 26 January 2026).