Hira, Swati, and Anita Bai. “Estimating the Difference of Agriculture Productivity in ASIAN Regions”. International Journal of Engineering and Technology 7, no. 2.4 (March 10, 2018): 140–146. Accessed May 12, 2025. https://mail.sciencepubco.com/index.php/IJET/article/view/13025.