Loamrat, K., M. Sappakittipakorn, P. Sukontasukkul, and N. Banthia. “Effect of Carbon Fiber and Graphite Powder on Resistivity of Cement-based Sensor under Compression”. Applied Science and Engineering Progress, vol. 7, no. 1, Feb. 2014, pp. 29-35, https://ph02.tci-thaijo.org/index.php/ijast/article/view/67428.