PINHEIRO DA COSTA1, S.; SOARES, A. A.; ARNHOLDT-SCHMITT, B. Studies on the Induction of Embryogenic Globular Structures in Opuntia ficus-indica. Journal of the Professional Association for Cactus Development, [S. l.], v. 4, p. 66–74, 2001. DOI: 10.56890/jpacd.v4i.136. Disponível em: https://www.jpacd.org/jpacd/article/view/136. Acesso em: 16 oct. 2025.