G. ., K. ., S. ., T. koon Tatt, and K. ., “Effects by Various Cross Sections on Monoshocks Helical Spring Using Static Stress Analysis and Sustainable Analysis”, IJET, vol. 8, no. 1.12, pp. 63–67, Apr. 2019, doi: 10.14419/ijet.v8i1.12.28848.