Jassim, A., أحمد, and A. SALAR. “Use Various Mathematical Methods to Solve Three Dimensional Conduction Heat Equation in Cylindrical Coordinate”. AL-Rafidain Journal of Computer Sciences and Mathematics, vol. 16, no. 1, June 2025, pp. 131-5, https://rjps.uomosul.edu.iq/index.php/csmj/article/view/20091.