Tanish Kumar, Mahesh Chand Singh, and JP Singh, “Trend Analysis of Groundwater Level, Rainfall and Area under Groundwater Irrigation in Ropar District of Punjab”, JSSWQ, vol. 14, no. 1, pp. 108–116, Aug. 2023, Accessed: Oct. 25, 2025. [Online]. Available: https://epubs.icar.org.in/index.php/JoSSWQ/article/view/140260