‘Changjo’ Pear. Journal of the American Pomological Society, [S. l.], v. 65, n. 3, p. 167–169, 2011. DOI: 10.71318/apom.2011.65.3.167. Disponível em: https://journal.americanpomological.org/index.php/jofaps/article/view/2773. Acesso em: 31 jan. 2026.