HUFFMAN, M. . Cactus Grafting Methods. Journal of the Professional Association for Cactus Development, [S. l.], v. 5, p. 106–114, 2003. DOI: 10.56890/jpacd.v5i.310. Disponível em: https://www.jpacd.org/jpacd/article/view/310. Acesso em: 19 dec. 2025.