Team, S. “Some Fixed Point Theorems in K-Metric Type Spaces: A. Taheri, Ali Farajzadeh, Suthep Suantai”. Thai Journal of Mathematics, vol. 20, no. 2, June 2022, pp. 855–859, https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/1365.