K. Hama Salh, F., and فریدون. “Curtain Coating Flow of an Inclined Thin Liquid Films”. AL-Rafidain Journal of Computer Sciences and Mathematics, vol. 4, no. 2, June 2025, pp. 99-111, https://rjps.uomosul.edu.iq/index.php/csmj/article/view/19649.