"ON EXACT FINITE DIFFERENCE SCHEME FOR THE COMPUTATION OF SECOND-ORDER FREDHOLM INTEGRO-DIFFERENTIAL EQUATIONS". FULafia Journal of Science and Technology 5, no. 1 (مارس 31, 2019): 113–119. تاريخ الوصول مايو 17, 2026. https://lafiascijournals.org.ng/index.php/fjst/article/view/135.