Fasil Beyene, Kinfe Negash, Getahun Semeon and Besufekad Getachew (2025) “Terahertz Bandgap Engineering in 2D Photonic Crystals for Optical Filtering Applications”, International Journal of communication and computer Technologies, 13(1), pp. 47–57. Available at: https://ijccts.org/index.php/pub/article/view/243 (Accessed: 12 July 2025).