A. S. I. Mohd and K. A. Mohamad, “Single-Axis Solar-Powered Water Quality Monitoring with Internet of Things”, EEEE, vol. 6, no. 2, pp. 287–293, Oct. 2025, Accessed: Apr. 07, 2026. [Online]. Available: https://penerbit.uthm.edu.my/periodicals/index.php/eeee/article/view/21208