Congo, Carlos, et al. “Dynamics of Nutrient Concentration and Uptake of Axonopus Scoparius Grass in the Ecological Conditions of the Southern Amazon of Ecuador”. BioNatura Journal: Ibero-American Journal of Biotechnology and Life Sciences, vol. 1, no. 3, Sept. 2024, p. 21, doi:10.70099/BJ/2024.01.03.16.