T. T. Thai, T. D. Nguyen, T. T. T. Nguyen, G. V. Pham, D. L. Tran, and A. S. Nguyen, “Effect of Polypyrrole on the Electrical, Dielectric and Mechanical Properties of Waterborne Epoxy Coatings”, Comm. Phys., vol. 30, no. 1, p. 11, Mar. 2020.