H. T. H. Thu, P. T. T. Xuan, N. T. T. Hang, N. N. Vu, and T. H. Phuoc, “Hypoglycemic effect of lotus (nelumbo nucifera gaertn.) Flower ethanolic extract on alloxan induced diabetes rat model”, HCMCOUJS - ENGINEERING AND TECHNOLOGY, vol. 6, no. 1, pp. 72–78, Mar. 2016.