LARA LOPEZ, A. Mechanical prinicples for harvesting prickly pears. Journal of the Professional Association for Cactus Development, [S. l.], p. 26–28, 1992. DOI: 10.56890/jpacd.vi.443. Disponível em: https://www.jpacd.org/jpacd/article/view/443. Acesso em: 20 dec. 2025.