Biofuel value chains and contractual relationships. Catálogo Editorial Politecnico Grancolombiano, [S. l.], v. 1, n. 583, p. 267–348, 2021. DOI: 10.15765/poli.v1i583.1996. Disponível em: https://revistas.poligran.edu.co/index.php/libros/article/view/1996.. Acesso em: 3 jul. 2024.