Azhar S, Abd Warif NB. A Secure Dental Appointment System with One-Time Password Verification and Dual Authentication for Klinik Pergigian Sharifah . aitcs [Internet]. 2023 Nov. 30 [cited 2026 Aug. 15];4(2):283-301. Available from: https://periodical.uthm.edu.my/index.php/aitcs/article/view/12295