“ 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”. 2024. Malaysian Journal of Fundamental and Applied Sciences 20 (4): 871-87. https://doi.org/10.11113/mjfas.v20n4.3538.