Soykan, Y.; Taşdemir, E.; Dikmen, C. M. A Study on the Sum of the Squares of Generalized Balancing Numbers: The Sum Formula $\sum_{k=0}^{n}x^{k}W_{mk+j}^{2}$. J. Innov. Appl. Math. Comput. Sci 2021, 1, 16-30.