Inchan, I., Gajai, K., Yuying, T., Youyen, S., & Chantakun, W. (2021). Common Fixed point Theorems for some contractive condition with $\varphi$-mapping in Complex valued b-metric spaces. Journal of Nonlinear Analysis and Optimization: Theory & Applications, 12(1), 29-36. Retrieved from http://www.math.sci.nu.ac.th/ojs302/index.php/jnao/article/view/644