Soykan, Yuksel, and Inci Okumus. “On a Generalized Tribonacci Sequence”. Journal of Progressive Research in Mathematics 14, no. 3 (January 11, 2019): 2413-2418. Accessed April 30, 2025. http://www.scitecresearch.com/journals/index.php/jprm/article/view/1670.