Tufa, Abebe. “Iterative Methods for Common Fixed Points of a Finite Family of Non-Self Mappings: In Memoriam Professor Charles E. Chidume (1947–2021)”. Thai Journal of Mathematics 21, no. 3 (September 30, 2023): 537–552. Accessed November 23, 2024. https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/1525.