Hegazy, Maha, et al. “SYNCHRONOUS FLUORESCENCE SPECTROSCOPY COUPLED WITH CONTINUOUS WAVELET TRANSFORMS AND SAVITZKY-GOLAY DERIVATIZATION TECHNIQUE FOR THE SIMULTANEOUS DETERMINATION OF TADALAFIL AND DAPOXETINE HCl”. International Journal of Pharmacy and Pharmaceutical Sciences, vol. 8, no. 4, Apr. 2016, pp. 32-38, https://www.journals.innovareacademics.in/index.php/ijpps/article/view/8699.