Gatica-Arias, Andrés M., Griselda Arrieta, y Ana M. Espinoza. 2007. «Direct Somatic Embryogenesis in <i>Coffea Arabica L. cvs.</i> Caturra and Catuaí: Effect of Tricontanol, Light Condition, and Medium Consistency». Agronomía Costarricense 32 (1). https://revistas.ucr.ac.cr/index.php/agrocost/article/view/6777.