Patidar, M, and A K Singh. 2006. “Effect of Tillage Practices on Yield and Energy Use Pattern of Clusterbean (Cyamopsis Tetragonoloba L. Taub) - Pearl Millet (Pennisetum Glaucum L. R. Br.) Rotation in Arid Zone”. Journal of Agricultural Engineering 37 (4). https://epubs.icar.org.in/index.php/JAE/article/view/14093.