Ramírez-Contreras, Raúl, et al. “Forage Behavior of the Herbaceous Stratum in Different Tree Densities of Low Deciduous Forest”. Revista Mexicana De Ciencias Agrícolas, vol. 11, no. 4, June 2020, pp. 881-93, https://doi.org/10.29312/remexca.v11i4.2467.