“Retraction Note to ‘Numerical Solution to Unsteady One-Dimensional Convection-Diffusion Problems Using Compact Difference Schemes Combined with Runge-Kutta Methods’ [Contemporary Mathematics, Volume 2 Issue 4 (2021) 399-408]” (2022) Contemporary Mathematics, 3(3), p. 326. doi:10.37256/cm.3320221691.