Moreno, Leandro Bassi, et al. “Influence of Plant Density and Hilling on Yield and Profitability of Arrowroot”. Pesquisa Agropecuária Tropical [Agricultural Research in the Tropics], vol. 47, no. 4, Jan. 2018, pp. 465-71, https://doi.org/10.5216/pat.v47i4.48643.