1. Evans D. J. Yaakub A. R. A New Fourth Order Runge–Kutta Method Based on The Contraharmonic Mean Formula Report No. 849 Loughborough University of Technology, Department of Computer Studies 1993 [Contributed Talks at the VI-th SERC Numerical Analysis Summer School, Leicester University, 25-29 July 1994]
2. Evans D. J. Yaakub A. R. A New 4th Order Runge–Kutta Method Based on The Centroidal Mean Formula Report No. 851 Loughborough University of Technology, Department of Computer Studies 1993
3. Error estimates for Runge-Kutta type solutions to systems of ordinary differential equations