PORTILLO RODRÍGUEZ, Ostilio Rolando. Factors affecting quality & value of coffee. A critical expose. LACCEI, [S. l.], v. 1, n. 14, 2026. DOI: 10.18687/LACCEI2026.1.1.117. Disponível em: https://proceedings.laccei.org/index.php/laccei/article/view/6810. Acesso em: 24 sept. 2026.