Hiba Shuker Mahmood, Ahmed F. Qasim. Banach Contraction Method to Solve Partial Integral-differential Equations. BERJ [Internet]. 2025 Dec. 1 [cited 2025 Dec. 15];21(4):138-57. Available from: https://berj.uomosul.edu.iq/index.php/berj/article/view/54257