Laxminarayana, K., and S. J. K. “Effect of Zinc and Magnesium on Orange Fleshed Sweet Potato in Alfisols of Odisha, India”. JOURNAL OF ROOT CROPS, vol. 40, no. 1, Jan. 2015, pp. 44-51, https://journal.isrc.in/index.php/jrc/article/view/167.