List of Articles NBO and NLO analysis Open Access Article Abstract Page Full-Text 1 - TD-DFT Calculations, Electronic Structure, Biological Activity, NBO, NLO Analysis and Electronic Absorption Spectra of Some 3-Formylchromone Derivatives Shimaa Hussien hussien moustafa Nabil H. Amin Magdy A. Ibrahima ELShimaa Ibrahima