Pham, Trang Thanh, Thu Thi Nguyen, Tuyen Thi Phung, and Dung Van Phan. “Diplospora Siamica (Rubiaceae) - a New Record for the Flora of Vietnam”. Thai Forest Bulletin (Botany) 52, no. 1 (January 8, 2024): 1–4. Accessed May 16, 2024. https://li01.tci-thaijo.org/index.php/ThaiForestBulletin/article/view/260213.