S. I. Idzni and K. S. Chia, “A Supervisory and Control System for Indoor Lettuce Farming”, IJIE, vol. 13, no. 1, pp. 249–259, Feb. 2021, Accessed: Aug. 07, 2026. [Online]. Available: https://journal.uthm.edu.my/index.php/ijie/article/view/7182