De Ita Luna, G. ., M. . Tovar Vidal, and M. B. Bernábe-Loranca. “A Novel Method for Counting Independent Sets in a Grid Graph”. International Journal of Combinatorial Optimization Problems and Informatics, vol. 14, no. 1, Feb. 2023, pp. 11-18, doi:10.61467/2007.1558.2023.v14i1.334.