M. N. Mohamad Fuad and N. Z. . Mohamad, “Dripper Irrigation Monitoring System for Chili Fertigation Using EC-GSM”, EEEE, vol. 2, no. 1, pp. 246–253, May 2021, Accessed: Jul. 18, 2024. [Online]. Available: https://penerbit.uthm.edu.my/periodicals/index.php/eeee/article/view/1699