Himeedah Zayd, Ibrahim Ahmed Alsaeh, Fathia A. Mosa , Gazala Mohamed Ben-Hander. “In-Vitro Evaluation of Sun Protection Factors of Sunscreens Marketed in Sirte by Ultraviolet Spectrophotometry”. Journal of Pure & Applied Sciences, vol. 18, no. 4, Dec. 2019, doi:10.51984/jopas.v18i4.522.