SINGH, JAGDISH; SINGH, B; KALLOO, G. Root morphology and carotene content in asiatic and european carrots (Daucus carota var sativa)*. The Indian Journal of Agricultural Sciences, Delhi, India, v. 72, n. 4, 2014. Disponível em: https://epubs.icar.org.in/index.php/IJAgS/article/view/40800. Acesso em: 27 oct. 2025.