Swathi Pai M., Prof., H Shalini, and Dr Aravinda C. V. “Estimation of Critical Virtual Water for Irrigation to Avoid Crop Loss”. International Journal of Engineering and Technology 7, no. 3.34 (September 1, 2018): 799–803. Accessed April 28, 2025. https://sciencepubco.com/index.php/IJET/article/view/19563.