Nguyen, V. M., and T. K. P. Dong. “Plasmon Excitation in MLG-GaAs Heterostructure - Analytical Expressions in Long-Wavelength Limit”. CTU Journal of Innovation and Sustainable Development , vol. 54, no. 10, Nov. 2018, pp. 154-9, doi:10.22144/ctu.jen.2018.051.