Buakird, A., N. Nimana, N. Petrot, and P. Promsinchai. “A Halpern’s Mean Subgradient Extragradient Method for Solving Variational Inequalities”. Nonlinear Convex Analysis and Optimization: An International Journal on Numerical, Computation and Applications, vol. 1, no. 2, Dec. 2022, pp. 177-91, https://bangmodjmcs.com/index.php/ncao/article/view/85.