Hurtado-Salazar, Alejandro, Germán Gutiérrez, José Fernando Restrepo, and Danúbia Aparecida Costa Nobre. 2013. “Evaluation of Four Castor Bean (Ricinus Communis L.) Varieties for Yield and Oil Production in Colombia”. Agrociencia Uruguay 17 (2):25-32. https://doi.org/10.31285/AGRO.17.459.