Team, S. “On the Strong and $\Delta$-Convergence of NSP-Iteration on CAT(0) Spaces: Piyanan Pasom, Asawathep Cuntavepanit”. Thai Journal of Mathematics, vol. 14, no. 2, Aug. 2016, pp. 341-5, https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/601.