Theoretical Study as Nano Structure for Nitrogen Phenanthrene Molecules (crystal) Group: by B3YP-DFT. Int. J. Curr. Eng. Technol. [Internet]. 2014 Feb. 28 [cited 2026 Mar. 14];4(1):308-11. Available from: https://ijcet.evegenis.org/index.php/ijcet/article/view/493