Phunphat, N. ., S. . Rodsin, T. . Muangphara, S. . Chaihang, P. Chansri, and P. Pooyodying. “Effect of Counter Electrode from Waste Carbon in Factory for Dye-Sensitized Solar Cell: Doi: 10.14456/Mijet.2023.14”. Engineering Access, vol. 9, no. 1, June 2023, pp. 109-13, https://ph02.tci-thaijo.org/index.php/mijet/article/view/249084.