Dr. T N P Nambiar, M. J. .S .B, D. S. P. “Co-Operative Game Theory Approach for Multi Robotic Path Planning”. International Journal of Advanced Science and Technology, Vol. 29, no. 3, Mar. 2020, pp. 4592 -08, http://sersc.org/journals/index.php/IJAST/article/view/5447.