Sukprasert, Pakeeta, Poom Kumam, Dawud Thongtha, and Kamonrat Sombut. “Fixed Point Result on Generalized \((\psi,\phi)_s\)-Contractive Mappings in Rectangular \(b\)-Metric Spaces”. Communications in Mathematics and Applications 7, no. 3 (November 14, 2016): 207–216. Accessed April 30, 2024. http://www.rgnpublications.com/journals/index.php/cma/article/view/422.