Tiwari, R. 2016. Study of 1st and 2nd order nonlinear optical( NLO ) properties of chalcone derivative 3- (4-chloropheny1)-1-(pyridin-3-y1) prop-2-en-1-one using quantum chemical techniques. Anusandhaan - Vigyaan Shodh Patrika. 4, 01 (Oct. 2016), 35-38. DOI:https://doi.org/10.22445/avsp.v4i1.4374.