Ismail Ibraheem, Kais. “Method of Lines With Haar Wavelet For Solving Parabolic Differential Equation”. Journal of Education and Science (JES) 18, no. 1 (January 1, 2006): 102–113. Accessed August 6, 2025. https://ojs.uomosul.edu.iq/index.php/edusj/article/view/23423.