A. Al-Lami A kareem. Mesomorphic Properties of Symmetric Hydrogen – Bonding Dimers Containing Chalcone Moiety. Iraqi Journal of Science. 2023;55(4A):1455-1464. Accessed December 9, 2025. https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/11238