SHUKLA, SUDHIR; SINGH, S P. Effect of inbreeding in opium poppy (Papaver somniferum). The Indian Journal of Agricultural Sciences, Delhi, India, v. 69, n. 2, 2013. Disponível em: https://epubs.icar.org.in/index.php/IJAgS/article/view/26349. Acesso em: 28 oct. 2025.