P. N. Rao, S. B. Valer, and K. N. S. Suman "Improvement of Desirable Thermophysical Properties of Soybean Oil for Metal Cutting Applications as a Cutting Fluid", Advances in Science, Technology and Engineering Systems Journal, vol. 5, no. 3, pp. 129–134, 2020, doi: 10.25046/aj050317.