YEN, Tran Thi Hai et al.
 Preparation and SPF Evaluation of Sunscreen Cream Containing Titanium Dioxide.
<strong>VNU Journal of Science: Medical and Pharmaceutical Sciences</strong>, [S.l.], v. 35, n. 1, june 2019.
ISSN 2588-1132.
Available at: &lt;<a href="https://js.vnu.edu.vn/MPS/article/view/4153" target="_new">https://js.vnu.edu.vn/MPS/article/view/4153</a>&gt;. Date accessed: 23 nov. 2024.
doi: <a href="https://doi.org/10.25073/2588-1132/vnumps.4153">https://doi.org/10.25073/2588-1132/vnumps.4153</a>.