“Synthesis, Characterization and Study of Mesomorphic Behavior of New Bent and Liner Core Compounds Containing Heterocyclic”. Ibn AL-Haitham Journal For Pure and Applied Sciences 30, no. 3 (December 28, 2017): 195–210. Accessed May 3, 2024. https://jih.uobaghdad.edu.iq/index.php/j/article/view/1615.