R. Raj, M. Dewan, S. Thakur, S. Tripathi, and M. Singhal, “GSM Based Auto Irrigation System”, IJRAMT, vol. 2, no. 6, pp. 289–291, Jul. 2021, Accessed: Jun. 19, 2025. [Online]. Available: https://journals.ijramt.com/index.php/ijramt/article/view/953