Ramakant Bhardwaj, Pravesh Kumar, Manoj Dubey, Pankaj Kumar Mishra, Basant Kumar Singh. “Advanced Results With Nth Order Square Matrices”. International Journal of Advanced Science and Technology, Vol. 29, no. 5s, June 2020, pp. 2100 -6, http://sersc.org/journals/index.php/IJAST/article/view/21314.