Team, Support. “Global Behavior of a Fourth Order Rational Difference Equation: R. Abo-Zeid, M. A. Al-Shabi”. Thai Journal of Mathematics 16, no. 3 (December 1, 2018): 665–674. Accessed May 6, 2024. https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/821.