Goenaga, Ricardo, and Paul Hepperly. “Flowering Induction, Pollen and Seed Viability and Artificial Hybridization of Taniers (Xanthosoma spp.)”. The Journal of Agriculture of the University of Puerto Rico 74, no. 3 (July 1, 1990): 253–260. Accessed November 22, 2024. https://revistas.upr.edu/index.php/jaupr/article/view/6657.