Aduroja, O. O. ., Adamu, S. ., & Shalangwa, A. A. . (2026). Jordan Block Based Polynomial Collocation Technique for the Numerical Solution of Two Dimensional PVIDEs. International Journal of Science for Global Sustainability, 12(1), 71–79. https://doi.org/10.57233/ijsgs.v12i1.1014