PUERTA, Gloria Inés; BOLÍVAR-FORERO, Claudia Patricia; GALLEGO, Claudia Patricia. Chemical composition of mineral elements in green and roasted coffee with respect to soil and altitude. Cenicafe Journal, [S. l.], v. 68, n. 2, p. 28–60, 2017. DOI: 10.38141/10778/68203. Disponível em: https://publicaciones.cenicafe.org/index.php/cenicafe/article/view/1271.. Acesso em: 18 mar. 2026.