Inchan, Issara, and Urairat Deepan. “Some Fixed Point of Hardy-Rogers Contraction in Generalized Complex Valued Metric Spaces”. Communications in Mathematics and Applications 10, no. 2 (June 30, 2019): 257–265. Accessed November 22, 2024. http://rgnpublications.com/journals/index.php/cma/article/view/1077.