SINGH, S.J. Electron microscopic observations of bittergourd witches’ broom. Indian Phytopathology, India, v. 45, n. 3, p. 354–355, 2002. Disponível em: https://epubs.icar.org.in/index.php/IPPJ/article/view/21701. Acesso em: 15 jul. 2026.