NAGALINGAM, DHESHINI, and Khairul Amin Mohamad Sukri. “Hannani Clinic Appointment System With D-OTP (HCAS)”. Applied Information Technology And Computer Science 6, no. 1 (July 8, 2025): 463–485. Accessed August 14, 2026. https://periodical.uthm.edu.my/index.php/aitcs/article/view/16539.