A.B. AHMED, M. . SAID, and A. A. SISA. “A QUANTUM ESPRESSO STUDY OF NITROGEN DOPED GRAPHENE USING DENSITY FUNCTIONAL THEORY”. BIMA JOURNAL OF SCIENCE AND TECHNOLOGY (2536-6041), vol. 5, no. 03, Jan. 2022, pp. 100-7, https://journals.gjbeacademia.com/index.php/bimajst/article/view/334.