“STUDY THE PROPERTIES OF THERMOTROPIC LIQUID CRYSTALS INDUCED BY HYDROGEN BONDING BETWEEN PYRIDYL- HETEROCYCLIC DERIVATIVES AND BENZOIC ACID, 4-HEPTYLOXYBENZOIC ACID OR 4-OCTYLOXYBENZOIC ACID” (2018) Al-Nahrain Journal of Science, 13(4), pp. 62–69. Available at: https://anjs.edu.iq/index.php/anjs/article/view/971 (Accessed: 22 November 2024).