Jay singh Sagar, A. P. Bhat, K.G. Rewatkar, D. K. Sahu. “Sol-Gel Auto-Combustion Processed Effects of Rare Earth Co-Doping Properties of Cafe12o19”. Design Engineering, no. 1, Apr. 2022, pp. 2858 -69, http://thedesignengineering.com/index.php/DE/article/view/9342.