Goenaga, Ricardo. “Growth, Nutrient Uptake and Yield of Tanier (Xanthosoma spp.) Grown under Semiarid Conditions”. The Journal of Agriculture of the University of Puerto Rico, vol. 78, no. 3-4, Oct. 1994, pp. 87-98, doi:10.46429/jaupr.v78i3-4.4277.