George, S., and I. K. . Argyros. “Local Convergence Comparison Between Two Novel Sixth Order Methods for Solving Equations”. Annales Universitatis Paedagogicae Cracoviensis Studia Mathematica, vol. 18, Mar. 2019, pp. 5-19, https://studmath.uken.krakow.pl/article/view/7635.