Salem . AL-Ashhab, & Muftah .,A., Alhammale. (2023). On the Limit of Two Dimensional Systems of Difference Equations With One Independent Equations . مجلة روافد المعرفة, 4(8), 164–180. استرجع في من https://ra.azu.edu.ly/index.php/rawafed-almarefa/article/view/81