Athraa J. Ali, and Nisreen H. Karam. “Design of New V Shaped Thermotropic Liquid Crystals Containing Heterocyclic”. Ibn AL-Haitham Journal For Pure and Applied Sciences 36, no. 2 (April 20, 2023): 251–258. Accessed November 23, 2024. https://jih.uobaghdad.edu.iq/index.php/j/article/view/3046.