Hoai Sam, V.; Thi Xuyen, N.; Thi Huong, N.; Thi Ngoc Anh, D.; Minh Tuyen, N.; Duy Phuong, N.; Thuy Hien, P. Study on Tuberization of Rehmannia Glutinosa (Gaertn.) Libosch. Vietnam J. Biotechnol. 2020, 18, 507-516.