GONTIJO, Roger Alexandre Nogueira; CARVALHO, Janice Guedes de; GUIMARÃES, Rubens José; MENDES, Antônio Nazareno Guimarães; ANDRADE, Wander Eustáquio de Bastos. Critical ranges of leaf micronutrient levels in coffee seedlings (Coffea arabica L.). Coffee Science - ISSN 1984-3909, [S. l.], v. 2, n. 2, p. p. 135–141, 2008. Disponível em: https://coffeescience2.ufla.br/index.php/Coffeescience/article/view/57. Acesso em: 21 oct. 2026.