V. L. S. André, L. P. N. Ramos, V. S. Mello, D. M. Leite, e I. V. Karsburg, “Evaluation of polymer viability of Crossandra infundibuliformis L. (Acanthaceae) based on colorimetric tests of 2,3,5-trifenyletrazole (TTC) and lugol 2%”, Sci. Electronic Arch, vol. 12, nº 3, p. 40–43, jun. 2019.