Giang, Vu Thi Thu, Pham Thuy Hanh, & Nguyen Van Lam.
" Research on the Preparation of Self-nano-emulsifying  Drug Delivery System Containing Gynostemma pentaphyllum Dry Extract for Application in Skin Care Cosmetics." <em>VNU Journal of Science: Medical and Pharmaceutical Sciences</em> [Online], 39.1 (2023): n. pag. Web. 22 Nov. 2024