Shukla, S. “SET-VALUED PRE\V{S}I\’{C}-REICH TYPE CONTRACTIONS IN CONE METRIC SPACES AND FIXED POINT THEOREMS”. Journal of Nonlinear Analysis and Optimization: Theory & Applications (JNAO), vol. 6, no. 2, Nov. 2016, pp. 103-14, https://ph03.tci-thaijo.org/index.php/jnao/article/view/2784.