Billore, S D, A K Vyas, and O P Joshi. “Effect of Integrated Nutrient Management on Productivity, Energy-Use Efficiency and Economics of Soybean (Glycine Max-Wheat (Triticum Aestivum) Cropping System”. The Indian Journal of Agricultural Sciences 75, no. 10 (October 5, 2005). Accessed October 27, 2025. https://epubs.icar.org.in/index.php/IJAgS/article/view/9186.