Badawi, Alia A., et al. “TOPICAL BENZOPHENONE-3 MICROEMULSION-BASED GELS: PREPARATION, EVALUATION AND DETERMINATION OF MICROBIOLOGICAL UV BLOCKING ACTIVITY”. International Journal of Pharmacy and Pharmaceutical Sciences, vol. 6, no. 8, Aug. 2014, pp. 562-70, https://www.journals.innovareacademics.in/index.php/ijpps/article/view/1975.