Mohanty, Swagatika, et al. “Influence of Process Parameters on Surface Roughness and Forming Time of Al-1100 Sheet in Incremental Sheet Metal Forming”. Journal of Mechanical Engineering and Sciences, vol. 13, no. 2, June 2019, pp. 4911-27, https://doi.org/10.15282/jmes.13.2.2019.11.0408.