“TRITERPENOID CONSTITUENTS FROM THE LEAVES OF WALSURA PINNATA HASSK”. Tạp chí Dược liệu 31, no. 1+2 (April 3, 2026): pp. 10 – 16. Accessed April 5, 2026. https://tapchiduoclieu.vn/index.php/jomm/article/view/197.