Indraveer Sigh, Indraveer Sigh, et al. “Comparison of Rotary Blade Types on Bulk Density in Puddled Soil under Varying Conditions: Comparative Analysis of Rotary Blades by RSM”. ORYZA-An International Journal of Rice, vol. 62, no. 2, June 2025, pp. 144-53, https://epubs.icar.org.in/index.php/OIJR/article/view/164058.