Benitez-García, I., Vanegas-Espinoza, P. E., Melendez-Martínez, A. J., Heredia, F. J., Paredes-López, O. and Del Villar-Martínez, A. A. (2014) “Callus culture development of two varieties of Tagetes erecta and carotenoids production”, Electronic Journal of Biotechnology. Valparaíso, Chile, 17(3). Available at: https://www.ejbiotechnology.info/index.php/ejbiotechnology/article/view/2014.01.004 (Accessed: 11 March 2025).