Unite de Recherche de Chimie des Materiaux et de l’Environnement;
Universite de Tunis El Manar;
Tunis;
Tunisia;
INSAT;
Universite de Carthage;
Tunis;
Tunisia;
Institute of Physics;
Academy of Sciences of the Czech Republic;
Praha;
Czech Republic;
Hydroxycoumarin Derivative; Co^(Ⅲ) Complex; ^(1)H NMR; UV-Visible; Single Crystal X-Ray Diffraction;