Advand, M., B. Azizollah Ganji, and M. R. Kolahdouz. “Two Efficient Approaches for Improving Field Emission Properties of ZnO NRs”. Majlesi Journal of Telecommunication Devices, Vol. 6, no. 1, Mar. 2017, http://journals.iaumajlesi.ac.ir/td/index/index.php/td/article/view/392.