Mohd Yusof, Fatin Nadia, and Zubaile Abdullah. “MyAC Service App: Multifactor Authentication Using Android Based for Air Conditioner Service Application”. Applied Information Technology And Computer Science 5, no. 1 (August 29, 2024): 182–199. Accessed April 9, 2026. https://penerbit.uthm.edu.my/periodicals/index.php/aitcs/article/view/12038.