Abdullah Karami, Shaban Sedghi and Zoran D. Mitrovi´c 2020. Some coupled fixed point results for rational type contraction mappings in \(S\)-metric spaces. Malaya Journal of Matematik. 8, 04 (Oct. 2020), 2012–2020. DOI:https://doi.org/10.26637/MJM0804/0117.