V. K. Tiwari and K. R. Jethva, “Development of Groundnut Digger Blade Suitable for a Small Tractor”, JAE, vol. 38, no. 3, Sep. 2001, Accessed: Jun. 30, 2026. [Online]. Available: https://epubs.icar.org.in/index.php/JAE/article/view/14119