Devia Pineda, Jorge Enrique, and Liliana Saldarriaga Calderón. 2012. “Pilot Plant to Obtain Coloring from the Annatto Seed (Bixa Orellana)”. Revista Universidad EAFIT 39 (131): 8-22. https://publicaciones.eafit.edu.co/index.php/revista-universidad-eafit/article/view/899.