J. Das, D. Chakraborty, S. Das, S. C. Bhattacharjee, and P. K. Das, “Physicochemical Parameters and Heavy Metal Content in Soybean Oil from Bangladesh”, Pak. J. Nutr., vol. 15, no. 6, pp. 565–571, May 2016, doi: 10.3923/pjn.2016.565.571.