“OPTIMIZATION OF THE EXTRACTION PROCESS FROM YELLOW CAMELLIA FLOWERS (CAMELLIA CUCPHUONGENSIS NINH & ROSMANN) COLLECTED IN PHU THO PROVINCE USING RESPONSE SURFACE METHODOLOGY”. Tạp chí Dược liệu 31, no. 1+2 (April 3, 2026): pp. 96 – 104. Accessed April 3, 2026. https://tapchiduoclieu.vn/index.php/jomm/article/view/215.