G. M. Doria Herrera, A. Hormaza Anaguano, and D. Gallego Suarez, “Structural characterization of the husks from modified rice as an alternative absorbant and effective for the removal of Cr (VI) in solution”, rev.investig.agrar.ambient., vol. 4, no. 1, pp. 22–29, Jan. 2013, doi: 10.22490/21456453.976.