E R, Rashmi; KISHORE, Arun; CHANDNI. Burr knots in apple trees: Causes, environmental factors, and management. Indian Horticulture, Delhi, India, v. 69, n. 4, p. 20–21, 2024. Disponível em: https://epubs.icar.org.in/index.php/IndHort/article/view/152990. Acesso em: 28 oct. 2025.