SOYKAN, Yüksel. “A STUDY ON THE SUMS OF SQUARES OF GENERALIZED TRIBONACCI NUMBERS: CLOSED FORM FORMULAS OF ∑_{k=0}ⁿkx^{k}W_{k}²”. HEALTH SCIENCES QUARTERLY 5, no. 1 (February 15, 2021): 1–23. Accessed April 25, 2024. https://journals.gen.tr/index.php/jsp/article/view/1210.