1. A. Amini-Harandi, Metric-like spaces, partial metric spaces and fixed points, Fixed Point Theory Appl. 2012, Article ID 204. https://doi.org/10.1186/1687-1812-2012-204
2. M. Asim and M. Imdad, C*-algebra valued extended b-metric spaces and fixed point results with an application, Politehn. Univ. Bucharest Sci. Bull. Ser. A Appl. Math. Phys. 82, no. 1 (2020), 207-218.
3. M. Asim and M. Imdad, C*-algebra valued symmetric spaces and fixed point results with an application, Korean J. Math. 28, no. 1 (2020), 17-30.
4. M. Asim, M. Imdad and S. Radenovic, Fixed point results in extended rectangular b-metric spaces with an application, Politehn. Univ. Bucharest Sci. Bull. Ser. A Appl. Math. Phys. 81, no. 2 (2019), 43-50.
5. M. Asim, A. R. Khan and M. Imdad, Rectangular $M_{b}$-metric spaces and fixed point results, Journal of Mathematical Analysis 10, no. 1 (2019), 10-18. https://doi.org/10.1186/s13660-019-2223-3