Team, S. (2015). Some Proximally Coincidence Points for Non-self Mappings and Self Mappings in Partially Ordered Metric Spaces: R. Wangkeeree, N. Sisarat. Thai Journal of Mathematics, 13(3), 613–625. Retrieved from https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/536