Athraa J. Ali, NHK. Design of New V Shaped Thermotropic Liquid Crystals containing Heterocyclic. IHJPAS [Internet]. 2023 Apr. 20 [cited 2024 Nov. 23];36(2):251-8. Available from: https://jih.uobaghdad.edu.iq/index.php/j/article/view/3046