2024. Comparative Study of the Optoelectronic, Reactivity Descriptors, and Thermodynamic Properties for Derivatives of Fluorene, and its Hetero-Analogous (Si, NH, O, S, and Se) by Employing the DFT and TD-DFT Approaches. Malaysian Journal of Fundamental and Applied Sciences. 20, 4 (Aug. 2024), 871–887. DOI:https://doi.org/10.11113/mjfas.v20n4.3538.