"SOLVABILITY OF THE THIRD-ORDER KORTEWEG-DE VRIES (KDV) EQUATION BY VARIATIONAL ITERATION AND NEW ITERATIVE METHODS" (2020) FULafia Journal of Science and Technology, 6(2), ص 19–26. موجود في: https://lafiascijournals.org.ng/index.php/fjst/article/view/173 (تاريخ الوصول: 17 مايو 2026).