G. Abdulahad, Joseph, and Abdulrahman M. Morshed. “Waves and Ripples in Liquid Films”. AL-Rafidain Journal of Computer Sciences and Mathematics 1, no. 2 (June 25, 2025): 187–198. Accessed August 6, 2025. https://ojs.uomosul.edu.iq/index.php/csmj/article/view/19472.