Rojas, John, Cesar LondoÑo, and Yhors Ciro. 2016. “THE HEALTH BENEFITS OF NATURAL SKIN UVA PHOTOPROTECTIVE COMPOUNDS FOUND IN BOTANICAL SOURCES”. International Journal of Pharmacy and Pharmaceutical Sciences 8 (3):13-23. https://www.innovareacademics.in/journals/index.php/ijpps/article/view/10025.