Dang, Van Son, Ba Vuong Truong, Nghia Son Hoang, Van Tu Nguyen, Quoc Bao Nguyen, Quoc Trong Pham, Van Tho Le, Cam Nhung Kieu, Van Huong Bui, and Akiyo Naiki. “Two New Species of Genus \(\textit{Helicteres}\) (Helicteroideae, Malvaceae) from Vietnam”. Academia Journal of Biology 44, no. 4 (December 28, 2022): 123–132. Accessed November 22, 2024. https://vjs.ac.vn/index.php/vjbio/article/view/17544.