García-Londoño, Gloria, Martha Liévano-Fiesco, Martha Leclercq-Barriga, Gladys Liévano-de Lombo, and Andrea Cuervo-Lozada. 2013. “C”. Universitas Scientiarum 13 (3):290-97. https://revistas.javeriana.edu.co/index.php/scientarium/article/view/1440.