IMONI, S. O.; LANLEGE, D. I.; ATTEH, E. M.; OGBONDEMINU, J. O. FORMULATION OF BLOCK SCHEMES WITH LINEAR MULTISTEP METHOD FOR THE APPROXIMATION OF FIRST-ORDER IVPS. FUDMA JOURNAL OF SCIENCES, v. 4, n. 3, p. 313 - 322, 24 Sep. 2020.