L. N. T. Linh, V. Quang Dao, B. Dinh Thach, T. Thi Ben, T. Thi Linh Giang, and L. Kim Thach, “A contribution to the establishment of extract standards from the leaves of Clinacanthus nutans (Burm.f.) Lindau”, Vietnam J. Biotechnol., vol. 17, no. 3, pp. 499–504, Nov. 2020.