Yen, Tran Thi Hai, Le Thu Huong, Nguyen Thi Thanh Duyen, & Vu Thi Thu Giang.
" Preparation and SPF Evaluation of Sunscreen Cream Containing Titanium Dioxide." <em>VNU Journal of Science: Medical and Pharmaceutical Sciences</em> [Online], 35.1 (2019): n. pag. Web. 20 Apr. 2024