Eslamian, M., and S. Homaeipour. 2011. “STRONG CONVERGENCE OF THREE-STEP ITERATIVE PROCESS WITH ERRORS FOR THREE MULTIVALUED MAPPINGS”. Journal of Nonlinear Analysis and Optimization: Theory & Applications (JNAO) 2 (2):285-93. https://ph03.tci-thaijo.org/index.php/jnao/article/view/2637.