Protocol for obtaining a biocomposite from coffee waste generated in venecia (Cundinamarca). REVISTA AMBIENTAL AGUA, AIRE Y SUELO, [S. l.], v. 11, n. 2, p. 1–12, 2020. DOI: 10.24054/aaas.v11i2.874. Disponível em: https://ojs.unipamplona.edu.co/index.php/aaas/article/view/874. Acesso em: 16 oct. 2025.