Ismail, Kais, قیس, Thamir Abdul Hafedh, and ثامر. “ON THE WAVELET METHODS TO SOLVE PERTURBATION BOUNDARY VALUE ROBLEMS”. Journal of Education and Science (JES) 21, no. 1 (March 1, 2008): 90–102. Accessed August 4, 2025. https://rjps.uomosul.edu.iq/index.php/edusj/article/view/17284.