Bandyopadhyay, S., and S. Das. “Evaluation of Drilling Performance of Unsaturated Polyester Resin”. Asian Journal of Engineering and Applied Technology 2, no. 2 (November 5, 2013): 29–34. Accessed December 22, 2024. https://ojs.trp.org.in/index.php/ajeat/article/view/685.