Yimer, S., A. Shiferaw, and S. Gebregiorgis. “Block Procedure for Solving Stiff First Order Initial Value Problems Using Chebyshev Polynomials”. Ethiopian Journal of Education and Sciences, Vol. 15, no. 2, Nov. 2020, pp. 33-44, https://journals.ju.edu.et/index.php/ejes/article/view/2406.